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  • MPI Ethno. Forsch.  (92)
  • Frobenius-Institut
  • Online Resource  (92)
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  • Basel : MDPI - Multidisciplinary Digital Publishing Institute  (92)
  • Mathematics & science  (92)
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  • MPI Ethno. Forsch.  (92)
  • Frobenius-Institut
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  • Online Resource  (92)
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  • 1
    Online Resource
    Online Resource
    Mathematical Fuzzy Logic in the Emerging Fields of Engineering, Finance, and Computer Sciences (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036559360 , 9783036559353
    Language: Undetermined
    Pages: 1 Online-Ressource (250 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Mathematical fuzzy logic (MFL) specifically targets many-valued logic and has significantly contributed to the logical foundations of fuzzy set theory (FST). It explores the computational and philosophical rationale behind the uncertainty due to imprecision in the backdrop of traditional mathematical logic. Since uncertainty is present in almost every real-world application, it is essential to develop novel approaches and tools for efficient processing. This book is the collection of the publications in the Special Issue “Mathematical Fuzzy Logic in the Emerging Fields of Engineering, Finance, and Computer Sciences”, which aims to cover theoretical and practical aspects of MFL and FST. Specifically, this book addresses several problems, such as:- Industrial optimization problems- Multi-criteria decision-making- Financial forecasting problems- Image processing- Educational data mining- Explainable artificial intelligence, etc
    Note: English
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  • 2
    Online Resource
    Online Resource
    Mathematical Methods and Operation Research in Logistics, Project Planning, and Scheduling (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036563725 , 9783036563732
    Language: Undetermined
    Pages: 1 Online-Ressource (288 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In the last decade, the Industrial Revolution 4.0 brought flexible supply chains and flexible design projects to the forefront. Nevertheless, the recent pandemic, the accompanying economic problems, and the resulting supply problems have further increased the role of logistics and supply chains. Therefore, planning and scheduling procedures that can respond flexibly to changed circumstances have become more valuable both in logistics and projects. There are already several competing criteria of project and logistic process planning and scheduling that need to be reconciled. At the same time, the COVID-19 pandemic has shown that even more emphasis needs to be placed on taking potential risks into account. Flexibility and resilience are emphasized in all decision-making processes, including the scheduling of logistic processes, activities, and projects
    Note: English
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  • 3
    Online Resource
    Online Resource
    Towards COP27: The Water-Food-Energy Nexus in a Changing Climate in the Middle East and North Africa (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036565859 , 9783036565842
    Language: Undetermined
    Pages: 1 Online-Ressource (482 p.)
    Keywords: Mathematics & science
    Abstract: Due to its low adaptability to climate change, the MENA region has become a "hot spot". Water scarcity, extreme heat, drought, and crop failure will worsen as the region becomes more urbanized and industrialized. Both water and food scarcity are made worse by civil wars, terrorism, and political and social unrest. It is unclear how climate change will affect the MENA water–food–energy nexus. All of these concerns need to be empirically evaluated and quantified for a full climate change assessment in the region. Policymakers in the MENA region need to be aware of this interconnection between population growth, rapid urbanization, food safety, climate change, and the global goal of lowering greenhouse gas emissions (as planned in COP27). Researchers from a wide range of disciplines have come together in this SI to investigate the connections between water, food, energy, and climate in the region. By assessing the impacts of climate change on hydrological processes, natural disasters, water supply, energy production and demand, and environmental impacts in the region, this SI will aid in implementation of sustainable solutions to these challenges across multiple spatial scales
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  • 4
    Online Resource
    Online Resource
    New Developments in Geometric Function Theory (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036563459 , 9783036563442
    Language: Undetermined
    Pages: 1 Online-Ressource (196 p.)
    Keywords: Mathematics & science ; Computer science
    Abstract: The book contains papers published in a Special Issue of Axioms, entitled "New Developments in Geometric Function Theory". An Editorial describes the 14 papers devoted to the study of complex-valued functions which present new outcomes related to special classes of univalent and bi-univalent functions, new operators and special functions associated with differential subordination and superordination theories, fractional calculus, and certain applications in geometric function theory
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  • 5
    Online Resource
    Online Resource
    Fungal Taxonomy, Phylogeny, and Ecology : A Themed Issue Dedicated to Academician Wen-Ying Zhuang (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036564494 , 9783036564487
    Language: Undetermined
    Pages: 1 Online-Ressource (506 p.)
    Keywords: Mathematics & science
    Abstract: We are honored and privileged to edit this Special Issue, “Fungal Taxonomy, Phylogeny, and Ecology: A Themed Issue Dedicated to Academician Wen-Ying Zhuang”. In this Special Issue, we are pleased to publish a comprehensive assemblage of 23 papers covering fungal taxonomy, phylogeny, and ecology, in which 76 new taxa from a broad taxonomic group and different ecological habitats are reported
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  • 6
    Online Resource
    Online Resource
    Symmetric Distributions, Moments and Applications (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036558479 , 9783036558486
    Language: Undetermined
    Pages: 1 Online-Ressource (152 p.)
    Keywords: Research & information: general ; Mathematics & science ; Probability & statistics
    Abstract: This reprint is focuses on distributions and moments and publish papers on the theory and applications of probability and statistics. Papers include original results of symmetric random walks and their characterization, stochastic processes, stochastic integrals, martingales, probability inequalities, statistics parameter estimation, stochastic differential equations, fractional Brownian motions, continuous time random walk models, anomalous diffusion models, Black–Scholes models, Monte Carlo methods, etc. This Special Issue is focused on concepts and techniques and is oriented toward a broad spectrum of applied mathematics and sciences. Focused review articles reviewed the state of the art and identify upcoming challenges and promising solutions for the scientific community
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  • 7
    Online Resource
    Online Resource
    Sustainable Development and Application of Renewable Chemicals from Biomass and Waste (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036564333 , 9783036564326
    Language: Undetermined
    Pages: 1 Online-Ressource (194 p.)
    Keywords: Mathematics & science
    Abstract: Advancements in efficient energy sources have played a pivotal role in determining the present world energy structure. Renewable biomass energy has been incorporated in industrial regulations and policies in many European countries. Based on the statistics, more than one-seventh of the total world energy consumption is generated from biomass.The renewable energies movement was prompted by two important factors: a) growing world energy consumption and b) the abundance of generated biomass residues, especially in agriculture. In the case of the first, batteries containing different metals are considered, as is the production of items for human consumption (food, clothing, home comfort, etc.). In the second case, the biomass waste from plants and animals, as byproducts of cultivating and production processes, is the main source of generated waste
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  • 8
    Online Resource
    Online Resource
    Soft Photonic Crystals and Metamaterials (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036560748 , 9783036560731
    Language: Undetermined
    Pages: 1 Online-Ressource (138 p.)
    Keywords: Mathematics & science
    Abstract: This Special Issue on “Soft Photonic Crystals and Metamaterials” from Materials consists of 10 papers that highlight recent advances in a broad scope of optical-wavelength and sub-wavelength structures made of soft materials and particles. Soft matter shows plenty of unique and improved optical properties for deep scientific understanding, thereby promoting fabrication, characterization and device performance for potential photonic applications that include, but are not limited to, photovoltaic cells, photodetectors, light-emitting diodes, tunable microlasers, optical filters for biosensors, smart windows, virtual/augmented reality head-mounted elements, and high-speed spatial light modulators in glasses-free 3D displays
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  • 9
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    Contemporary Solutions for Advanced Catalytic Materials with a High Impact on Society (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036558929 , 9783036558912
    Language: Undetermined
    Pages: 1 Online-Ressource (172 p.)
    Keywords: Mathematics & science
    Abstract: The main aim of this reprint is to highlight the contributions of advanced catalytic materials in the evolution of contemporary society, delivering practical and useful solutions with a positive societal, economic, and environmental impact
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  • 10
    Online Resource
    Online Resource
    Special Functions with Applications to Mathematical Physics (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036569901 , 9783036569918
    Language: Undetermined
    Pages: 1 Online-Ressource (438 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This MDPI booklet lists the articles published in three Special Issues of the journal Mathematics devoted to special functions with applications in mathematical physics in the years 2020–2021.The call for papers considered theories and applications of high transcendental functions, including topics found mainly in the list of keywords:- Mittag-Leffler and related functions, and their applications in mathematical physics;- Wright and related functions and their applications in mathematical physics;- exponential integrals and their extensions with applications in mathematical physics;- generalized hypergeometric functions and their extensions with applicationsHowever, the Special Issues were not limited to the above list, for example, when the content of a paper was clearly related to some high transcendental functions and their applications.Special attention was reserved for distinct functions exhibiting some relevance in the framework of the theories and applications of the fractional calculus and in their visualization through illuminating plots.Both research and survey articles were included in this booklet, according to the content list
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  • 11
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    Logic and Computation (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036573762 , 9783036573779
    Language: Undetermined
    Pages: 1 Online-Ressource (194 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains five articles accepted and published in the Special Issue “Logic and Computation 2023” of the MDPI “Mathematics” journal, covering several topics on computing science based on some form of logic. These topics include the model theory for formal logic-based formal specification and programming, logic mining and logic for games. It is hoped that the reprint will be interesting and useful for those working in the area of applying logic to computing
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  • 12
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    Advances in Artificial Intelligence and Statistical Techniques with Applications to Health and Education (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036572468 , 9783036572475
    Language: Undetermined
    Pages: 1 Online-Ressource (406 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains all of the articles accepted and published in the Special Issue " Advances in Artificial Intelligence and Statistical Techniques with Applications to Health and Education" from the MDPI journal Mathematics. This Special Issue aims to develop more efficient and effective approaches to healthcare and education, leveraging the increasing availability of big data and advancements in artificial intelligence. By sharing new methods, applications, and case studies, this reprint is dedicated to the development of innovative solutions that improve healthcare and education for all. The topics addressed in this Special Issue cover a wide range of areas, including data mining, machine learning, learning analytics, prediction methods, pattern recognition, decision analysis, probabilistic reasoning, fuzzy systems, student or patient modelling, adaptive systems, collaborative systems, recommendation systems, experimental design, and empirical study cases. We hope that this reprint will enable the scientific community in both medicine and education to leverage the techniques from statistics and artificial intelligence to drive significant advances in their respective fields. These approaches hold promise for improving patient outcomes and enhancing the quality of education for students around the world
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  • 13
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    System Dynamics Models for Public Health and Health Care Policy (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036578415 , 9783036578408
    Language: Undetermined
    Pages: 1 Online-Ressource (204 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: System dynamics is a simulation modeling approach to strategic and policy analysis that has been applied to many health care and public health issues since the 1960s and has become increasingly prevalent since the 2000s. The ten articles in this reprint appeared in a Special Issue of Systems and cover a broad cross-section of relevant methodological topics as well as applications to specific health problems.One methodological article describes the use of cascaded system archetypes, with an application to reducing hospital congestion. Another discusses Monte Carlo uncertainty analysis, with an application to the US opioid crisis. Three of the articles describe models of community response to severe shocks, including recovery from the COVID-19 pandemic. Two other articles address strategies for dealing with myriad chronic diseases and risk factors in a population. Other papers include in-depth analyses of prostate cancer screening, digital prosthetic services for lower-limb amputees, and the complex behavioral health challenge of youth homelessness.This reprint provides an excellent snapshot of the current state of practice in system dynamics as it is applied to public health, health care delivery, and health policy. It offers practical policy guidance and will be of interest to both experienced practitioners and those new to the field
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  • 14
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    Applied Mathematics and Fractional Calculus II (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036594255 , 9783036594248
    Language: Undetermined
    Pages: 1 Online-Ressource (306 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In the last three decades, fractional calculus has broken into the field of mathematical analysis, both at the theoretical level and the level of its applications. In essence, the fractional calculus theory is a mathematical analysis tool applied to studying integrals and derivatives of arbitrary order, which unifies and generalizes the classical notions of differentiation and integration. These fractional and derivative integrals, which until a few years ago had been used in purely mathematical contexts, have been revealed as instruments with great potential to model problems in various scientific fields, such as fluid mechanics, viscoelasticity, physics, biology, chemistry, dynamical systems, signal processing, and entropy theory. Since fractional order's differential and integral operators are nonlinear operators, fractional calculus theory provides a tool for modeling physical processes, which in many cases is more useful than classical formulations; this is why applying fractional calculus theory has become a focus of international academic research. This Special Issue, “Applied Mathematics and Fractional Calculus II,” has published excellent research studies in the field of applied mathematics and fractional calculus, authored by many well-known mathematicians and scientists from diverse countries worldwide, such as the USA, Ireland, Romania, Bulgaria, Türkiye, China, Pakistan, Iran, Egypt, India, Iraq, and Saudi Arabia
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  • 15
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    Advanced Artificial Intelligence Models and Its Applications (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036591322 , 9783036591339
    Language: Undetermined
    Pages: 1 Online-Ressource (182 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The field of Artificial Intelligence (AI) has undergone enormous expansion since its inception in the mid-20th century, as demonstrated by its application across an array of engineering and scientific challenges. Particularly in the last decade, AI has witnessed a significant breakthrough with the advent of deep learning, which has facilitated the employment of various AI models across a multitude of domains. This reprint features ten papers accepted for publication in the Special Issue titled "Advanced Artificial Intelligence Models and Their Applications," published in the MDPI Mathematics journal. These papers explore numerous facets of advanced artificial intelligence models and their applications, covering areas such as cybersecurity, image classification, logistics optimization, automatic music generation, human capital investment, writer recognition, remote sensing image indexing, target tracking, and more. These diverse subjects highlight the extensive scope and capability of AI models in tackling intricate challenges across distinct fields, underlining the vast potential inherent in this cutting-edge technology
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  • 16
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    Calculus of Variations, Optimal Control, and Mathematical Biology A Themed Issue Dedicated to Professor Delfim F. M. Torres on the Occasion of His 50th Birthday (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036568560 , 9783036568577
    Language: Undetermined
    Pages: 1 Online-Ressource (306 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This reprint is dedicated to Professor Delfim F. M. Torres for his 50th birthday. Professor Delfim F. M. Torres is a recognized researcher, particularly in the calculus of variations, optimal control, and mathematical biology. In this reprint, several studies in his research fields are presented
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  • 17
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    Sustainable Supply Chain Management and Optimization (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036575810 , 9783036575803
    Language: Undetermined
    Pages: 1 Online-Ressource (384 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This Special Issue is dedicated to the investigation and optimization of supply chain management in the context of sustainable development. In order to meet the needs of social development, enterprises are gradually innovating their supply chains to achieve sustainable development. Sustainable supply chain management can improve the competitiveness of enterprises; promote the sustainable development of enterprises; and realize the coordinated development of society, the economy, and the environment. However, the current development of sustainable supply chain management is not perfect. Therefore, scholars have become more and more interested in investigating supply chain management optimization. Supply chain management problems usually include product production and pricing, transportation location, upstream and downstream supply, and marketing problems. Existing research usually selects some of these problems and combines optimization methods, such as data-driven robust optimization methods, to optimize the status quo. Finally, an optimized scheme can be obtained, and some constructive suggestions are put forward to achieve sustainable and optimized development of supply chain management
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  • 18
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    Monitoring Forest Carbon Sequestration with Remote Sensing (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036572086 , 9783036572093
    Language: Undetermined
    Pages: 1 Online-Ressource (652 p.)
    Keywords: Research & information: general ; Mathematics & science ; Probability & statistics
    Abstract: The forest, as the main body of the terrestrial ecosystem, has a huge carbon sink function and plays an important role in coping with global climate change. This reprint on “Monitoring forest carbon sequestration with remote sensing” mainly focuses on new remote sensing theories, methods, and technologies for monitoring carbon sinks in forest ecosystems (including urban forest ecosystems)
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  • 19
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    Applied Computing and Artificial Intelligence (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036580227 , 9783036580234
    Language: Undetermined
    Pages: 1 Online-Ressource (420 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Applied computing and artificial intelligence methods have attracted a growing interest in recent years due to their effectiveness at solving technical problems. Recent developments in applied mathematics have largely led to benefits for industrial tasks in different fields, including the aerospace industry, manufacturing, transportation, energy, robotics, materials, informatics, etc. The objective of this Special Issue is to present advanced methods in applied computing and artificial intelligence to address the practical challenges in the related areas. The response of the scientific community has been remarkable, and a large number of papers have been submitted. After a careful peer-review process, 22 high-quality papers have been accepted and published. It is hoped that the papers will have an impact on international scholars in this field and promote further remarkable research in this area
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  • 20
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    Advances in Delay Differential Equations (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036582863 , 9783036582870
    Language: Undetermined
    Pages: 1 Online-Ressource (212 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains the 11 articles published in the Special Issue “Advances in Delay Differential Equations” of the MDPI journal Mathematics. The papers cover a wide range of topics connected to the theory of differential equations with delay. These topics include, among others, the construction of solutions, analytical and numerical methods for; dynamical properties of; and applications of DDE to the mathematical modeling of various phenomena and processes in physics, biology, ecology, and medicine. It is hoped that the reprint will be interesting and useful for those working in the area of differential equations with delays and nonlinear dynamics, as well as for those with the proper mathematical background who are willing to become familiar with recent advances in mathematical modelling, which have now entered almost all areas of science
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  • 21
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    Computational Methods and Applications for Numerical Analysis (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036582849 , 9783036582856
    Language: Undetermined
    Pages: 1 Online-Ressource (418 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains the 20 articles accepted and published in the Special Issue “Computational Methods and Applications for Numerical Analysis” of the MDPI “Mathematics” journal, which surround the theory, algorithms, programming, software, numerical simulation, and/or novel applications of computational methods to solve problems in engineering, science, and other disciplines related to computations. These topics include finite element methods, finite difference methods, meshless/meshfree methods, physics-informed neural networks, interpolation, approximation, optimization, numerical methods for ordinary/partial differential equations, etc. Their applications include crack propagation, acoustic analysis, elastodynamic analysis, free vibration analysis, structure and topology optimization, fractional equations, eigenvalue problems, inverse problems, etc. Numerical analysis is an increasingly important link between pure mathematics and its application in science and technology. It is hoped that the reprint will be interesting and useful for those working in the area of numerical analysis, as well as for those with a proper mathematical background and willing to become familiar with novel applications of computational techniques, which have rapidly developed nowadays
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  • 22
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    Limit Theorems of Probability Theory (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036591926 , 9783036591933
    Language: Undetermined
    Pages: 1 Online-Ressource (322 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains all of the articles accepted and published in the Special Issue titled “Limit Theorems of Probability Theory”. The papers included in this Special Issue present new directions and advances for limit theorems in probability theory and its applications. The list of topics is extensive, and it includes classical models of sums of both independent and various types of dependent random variables; probabilities of large deviations; functional limit theorems and limit theorems for random processes, in high-dimensional spaces, for spectra of random matrices, and for random graphs, etc. We strongly believe that the selected topics and results will be attractive to and useful for the international scientific community, as well as contribute to further research into the subject of limit theorems in probability theory
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  • 23
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    Numerical Solution and Applications of Fractional Differential Equations (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036592985 , 9783036592992
    Language: Undetermined
    Pages: 1 Online-Ressource (546 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In the last few decades, the application of fractional calculus to real-world problems has grown rapidly, with dynamical systems described by fractional differential equations (FDEs) representing one of the ways by which to understand complex materials and processes. Due to the power required to model the non-locality, memory, spatial heterogeneity and anomalous diffusion inherent in many real-world problems, FDEs have attracted significant attention in many fields of science and are still under development. However, generally, fractional mathematical models from science and engineering are so complex that analytical solutions are not available. Therefore, the numerical solution is an effective tool in fractional mathematical models. This Special Issue presents the latest developments in fractional differential equations, reports the state-of-the-art numerical methods, and discusses the future trends and challenges
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  • 24
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    Advances in Fractional Differential Operators and Their Applications (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036589046 , 9783036589053
    Language: Undetermined
    Pages: 1 Online-Ressource (374 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The application of generalized and fractional derivatives, such as Caputo and Riemann–Liouville derivatives, has witnessed a dramatic increase in recent years. This reprint focuses on related theoretical and applied research in areas such as the stability of time series, Lotka–Volterra systems, distributed delays, Fornberg–Whitham equations, abstract evolution and fractional wave equations, cantilever beams, and fractional Riccati and Volterra equations, as well as fractional visco-elasto-plasticity, spectral theory for fractional Sturm–Liouville problems, generalized differential equations, Mittag–Leffler functions, and fractional Laplacians
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  • 25
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    Liquid Chromatography in Analysis of Bioactive Compounds for Pharmaceuticals, Cosmetics, and Functional Food Interest (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036592299 , 9783036592282
    Language: Undetermined
    Pages: 1 Online-Ressource (320 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Plants produce a wide range of phytochemicals, known as non-nutrition compounds, to confirm their identity, and they are used for the production of natural pharmaceuticals, cosmetics, and functional food, among other things, due to their pro-health properties. The use of modern chromatographic techniques allows for accurate quantitative and qualitative identification of the above-mentioned phytochemicals and their natural products. Liquid chromatography is one of the most efficient and robust specific techniques due to the merits of convenience and strong separation ability, as well as a wide range of material applications for identification. Liquid chromatography is widely used to analyze plants, nutraceuticals, pharmaceuticals, and cosmetics and in natural product quality control or quantitative determination of bioactive compounds. The most commonly used for identifying different plant materials and pharmaceuticals are ultra- and high-performance liquid chromatography with UV-VIS, fluorescence, and diode array, which is equipped with mass spectrometry or tandem mass spectrometry detection methods. Therefore, for this Special Issue, we published studies concerning the latest scientific news, insights, and advances in the field of innovation of liquid chromatography for the analysis of bioactive compounds for pharmaceuticals, cosmetics, and functional food interests
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    Numerical Methods for Solving Nonlinear Equations (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036592145 , 9783036592152
    Language: Undetermined
    Pages: 1 Online-Ressource (184 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains 10 articles which have been published in a Special Issue of MDPI’s journal Mathematics titled, ‘Numerical Methods for Solving Nonlinear Equations’, covering a wide range of topics on the numerical methods for solving nonlinear differential equations, nonlinear integral equations, nonlinear integro-differential equations, nonlinear variational equations, nonlinear optimization problems, nonlinear control problems, equilibrium problems or nonlinear algebraic equations
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    Applied and Computational Mathematics for Digital Environments (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036572666 , 9783036572673
    Language: Undetermined
    Pages: 1 Online-Ressource (284 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains the 11 papers that were accepted and published in the Special Issue “Applied and Computational Mathematics for Digital Environments” of the MDPI Mathematics journal. The topics of interest include, among others, scientific research, applied tasks, and problems in the following areas: The construction of mathematical and information models of intelligent computer systems for monitoring and controlling the parameters of digital environments; The development of intelligent optimization algorithms that search for optimal parameter values of mathematical and information models in digital environments; Software and mathematical technologies in the implementation of intelligent monitoring and computer control of the parameters of digital environments; The development and application of mathematical and information models, machine learning methods, and artificial intelligence for the analysis and processing of big data in digital environments. I hope that this reprint will be useful to those who are interested in the real-world applications of applied and computational mathematics for digital environments in terms of solving actual, practical problems in all spheres of human life and activity
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    The 5th Mexican Workshop on Fractional Calculus (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036566948 , 9783036566955
    Language: Undetermined
    Pages: 1 Online-Ressource (68 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This reprint presents some of the selected works presented during the 5th Mexican Workshop on Fractional Calculus on October 5-7, 2022, hosted by the Tecnológico de Monterrey in Nuevo León. The works correspond to those recent proposals and applications on fractional calculus carried out in Mexico or by Latin American researchers related in one way or another to this country. Unfortunately, some of the papers we discussed during these three days of complete (not fractional) immersion in the non-integer operators were disregarded from this reprint, not because of their quality or relevance but due to reasons out of the academic domain. It is also worth mentioning that students of all levels, practitioners, and researchers attending this workshop participated in great critical discussions in every single session, including tutorials, plenary talks, accepted talks, and—not the least relevant to science—coffee breaks
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    Identification, Knowledge Engineering and Digital Modeling for Adaptive and Intelligent Control (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036580609 , 9783036580616
    Language: Undetermined
    Pages: 1 Online-Ressource (260 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The Special Issue aimed to bring together scientists working in various branches of control theory to discuss manufacturing control problems that include the following: enterprise control and digital ecosystem creation; the development of identification theory and methodology, and related mathematical problems; parameter, nonparametric, and structure identification and expert analysis; problems regarding selection and data analysis; control systems with an identifier; modeling in intelligent systems; simulation procedures and software; digital identification; reinforcement learning; quantum modeling; intelligent model predictive control; predictive cognitive issues; problems with software quality for complex systems; and global network resources for support processes of modeling and control
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    Modeling and Simulation in Engineering, 2nd Edition (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036582887 , 9783036582894
    Language: Undetermined
    Pages: 1 Online-Ressource (256 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The Special Issue Modeling and Simulation in Engineering, belonging to the section Engineering Mathematics of the Journal Mathematics, publishes original research papers involving advanced simulation and modeling techniques. The present reprint, “Modeling and Simulation in Engineering 2nd Edition, 2023”, contains 13 papers accepted after peer review by recognized specialists in the field. The papers address different topics in engineering that use modeling, optimization as well as experimental and numerical methods. The subject of the papers addresses technical problems such as adaptive contoller design for non-linear systems, simulation of light scattering produced by special paints, estimation of the magnetic field produced by overhead power lines, angle estimation using inertial measurement units, study of multiple transfer phenomena in viscuous fluid flow, optimization of aircraft tail using numerical methods, the study of new types of adjustable speed drives, investigation of nano-fluid flow in different systems, metaheuristic methods applied for maximum power point tracking in photovoltaic systems, as well as theoretical topics such as the use of surrogate models in optimization problems and characterization of structured singular values. It is hoped that the papers selected for thisSpecial Issue will attract a significant audience in the scientific community and will further stimulate research involving modelling and simulation in mathematical physics and in engineering
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    10th Anniversary of 〈em〉Axioms〈/em〉: Logic (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036578392 , 9783036578385
    Language: Undetermined
    Pages: 1 Online-Ressource (196 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: We are honored to announce this reprint, containing contributions from the top experts in the field of logic and fuzzy logic. In total, this reprint consists of 10 papers that were selected from more than 20 submissions. The 10 papers comprising the reprint are the product of re-known experts in fuzzy logic from all over the world, such as Canada, Poland, China, Slovakia, Lithuania, Turkey, Pakistan, Germany, Serbia, Portugal, Taiwan, Norway, India, Saudi Arabia, Thailand, and Mexico. We expect that the papers comprising the Special Issue will contribute to an advancement in the state of the art in the fields of logic and also fuzzy logic
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    Recent Advances in Theory and Application of Dynamical Systems (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036578842 , 9783036578859
    Language: Undetermined
    Pages: 1 Online-Ressource (216 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Dynamical system theory has been widely used to study scientific problems. The purpose of this reprint is to introduce the latest research results related to dynamical system theory. This reprint is a reference for researchers engaged in applied mathematics, biomathematics and related fields
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    Development and Optimization of Mathematical Models for Operations Research (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036568904 , 9783036568911
    Language: Undetermined
    Pages: 1 Online-Ressource (260 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The development of mathematical models and their optimization are fundamental for the effective resolution of many problems in operational research. In recent years, increased insights into real-world problems have led to the development of new mathematical models and optimization algorithms, contributing to the development of a research area with increasing practical relevance. This Special Issue is dedicated to works at the interface of mathematical modeling, optimization, and operations research, with a special focus on their real-world applications. The interest of the scientific community was significant, with submissions from authors from different countries from five continents, including Australia, China, Egypt, India, Israel, Portugal, Russia, Saudi Arabia, and the United States of America. Ten papers were accepted for publication after thorough peer review by dedicated reviewers with expertise in the relevant fields. We are confident that the papers selected for this Special Issue will attract a significant audience in the scientific community and will further stimulate research involving the development of mathematical models and their optimization
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    Mathematical Modeling and Intelligent Optimization in Green Manufacturing & Logistics (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036575704 , 9783036575711
    Language: Undetermined
    Pages: 1 Online-Ressource (236 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: To address the increasingly prominent environmental pollution and energy shortage, many countries devote themselves to green manufacturing and logistics in which some optimization problems are common and challenging, e.g., production planning and scheduling, supply chain management, location and allocation problems, vehicle routing problem, resource optimization, and pricing strategies. The present reprint contains all of the articles accepted and published in the Special Issue "Mathematical Modeling and Intelligent Optimization in Green Manufacturing & Logistics" from the MDPI Mathematics journal. This Special Issue is focused on collecting recent mathematical modeling and intelligent optimization research in green manufacturing and logistics, including operations research, game theory, (meta)heuristics, machine learning, knowledge-driven, digital twin, and so on. We hope that the scientific results presented in this reprint will serve as a valuable source of documentation and inspiration to those researching the modeling and optimization of green manufacturing and sustainable logistics
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    Quantum Computing Algorithms and Computational Complexity (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036577463 , 9783036577470
    Language: Undetermined
    Pages: 1 Online-Ressource (124 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This reprint is mainly concerned with quantum algorithms, their mathematics from behind and the complexity issues arising from them. It comprises seven papers: Two of them are focused on improving the performance by means of quantum algorithms over the best instances of classical ones: “A Fast Quantum Image Component Labeling Algorithm” [1] by Yan Li, Dapeng Hao, Yang Xu and Kinkeung Lai. “Quantum Algorithms for Some Strings Problems Based on Quantum String Comparator” [2] by Kamil Khadiev, Artem Ilikaev and Jevgenijs Vihrovs. Another four papers deal with enhanced quantum algorithms: “Progress towards Analytically Optimal Angles in Quantum Approximate Optimisation”: [3] by Daniil Rabinovich, Richik Sengupta, Ernesto Campos, Vishwanathan Akshay and Jacob Biamonte. “Quantum Weighted Fractional Fourier Transform” [4] by Tieyu Zhao, Tianyu Yang and Yingying Chi. “On the Amplitude Amplification of Quantum States Corresponding to the Solutions of the Partition Problem” [5] by Mauro Mezzini, Jose J. Paulet, Fernando Cuartero, Hernan I. Cruz and Fernando L. Pelayo. “On the Complexity of Finding the Maximum Entropy Compatible Quantum State” [6] by Serena Di Giorgio and Paulo Mateus. Last, but not least, one paper researched a classical operational research problem by means of quantum annealing: “GPS: A New TSP Formulation for Its Generalizations Type QUBO” [7] by Saul Gonzalez-Bermejo, Guillermo Alonso-Linaje and Parfait Atchade-Adelomou. As Guest Editors, we would like to thank the authors and reviewers who made this possible by promoting, spreading research on and supporting quantum computing
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    Photocatalysis in the Wastewater Treatment (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036563930 , 9783036563923
    Language: Undetermined
    Pages: 1 Online-Ressource (206 p.)
    Keywords: Mathematics & science
    Abstract: The use of photocatalysis for wastewater treatment is an important area of research, which is not yet fully exploited at an industrial level and has significant potential in the disposal of many industrial effluents, particularly the effluents that are difficult to treat by conventional treatment processes. This reprint tries to know the latest advances in the field of wastewater treatment by photocatalysis. In this sense, it is worth mentioning the treatments based on photolysis, TiO2/solar light, oxidants/ultraviolet irradiation, oxidants/catalyst/ultraviolet irradiation, etc. In addition, the reprint describes catalyst manufacturing methods and reaction mechanisms
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    Approximation Theory and Related Applications (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036562322 , 9783036562315
    Language: Undetermined
    Pages: 1 Online-Ressource (228 p.)
    Keywords: Mathematics & science
    Abstract: In recent years, we have seen a growing interest in various aspects of approximation theory. This happened due to the increasing complexity of mathematical models that require computer calculations and the development of the theoretical foundations of the approximation theory. Approximation theory has broad and important applications in many areas of mathematics, including functional analysis, differential equations, dynamical systems theory, mathematical physics, control theory, probability theory and mathematical statistics, and others. Approximation theory is also of great practical importance, as approximate methods and estimation of approximation errors are used in physics, economics, chemistry, signal theory, neural networks and many other areas. This book presents the works published in the Special Issue "Approximation Theory and Related Applications". The research of the world’s leading scientists presented in this book reflect new trends in approximation theory and related topics
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    Nonlinear Systems : Dynamics, Control, Optimization and Applications to the Science and Engineering (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036563220 , 9783036563237
    Language: Undetermined
    Pages: 1 Online-Ressource (232 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Open Mathematics is a challenging notion for theoretical modeling, technical analysis, and numerical simulation in physics and mathematics, as well as in many other fields, as highly correlated nonlinear phenomena, evolving over a large range of time scales and length scales, control the underlying systems and processes in their spatiotemporal evolution. Indeed, available data, be they physical, biological, or financial, and technologically complex systems and stochastic systems, such as mechanical or electronic devices, can be managed from the same conceptual approach, both analytically and through computer simulation, using effective nonlinear dynamics methods. The aim of this Special Issue is to highlight papers that show the dynamics, control, optimization and applications of nonlinear systems. This has recently become an increasingly popular subject, with impressive growth concerning applications in engineering, economics, biology, and medicine, and can be considered a veritable contribution to the literature. Original papers relating to the objective presented above are especially welcome subjects. Potential topics include, but are not limited to: Stability analysis of discrete and continuous dynamical systems; Nonlinear dynamics in biological complex systems; Stability and stabilization of stochastic systems; Mathematical models in statistics and probability; Synchronization of oscillators and chaotic systems; Optimization methods of complex systems; Reliability modeling and system optimization; Computation and control over networked systems
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    Graphene for Electronics (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036561684 , 9783036561677
    Language: Undetermined
    Pages: 1 Online-Ressource (180 p.)
    Keywords: Mathematics & science
    Abstract: Graphene is an allotrope of carbon consisting of a single layer of atoms arranged in a two-dimensional (2D) honeycomb lattice. Graphene's unique properties of thinness and conductivity have led to global research into its applications as a semiconductor. With the ability to well conduct electricity at room temperature, graphene semiconductors could easily be implemented into the existing semiconductor technologies and, in some cases, successfully compete with the traditional ones, such as silicon. This reprint presents very recent results in the physics of graphene, which can be important for applying the material in electronics
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    Dynamic Modeling and Simulation for Control Systems (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036571041 , 9783036571058
    Language: Undetermined
    Pages: 1 Online-Ressource (242 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This book contains all the articles published in the Special Issue "Dynamic Modeling and Simulation for Control Systems" from the MDPI Mathematics journal. This Special Issue aims to cover important aspects of how to optimize the dynamic behavior of physical systems using special algorithms and artificial intelligence in the modeling, simulation, and optimization of components and systems from important fields such as astronautics, aerospace, avionics, robotics, manufacturing systems, mechanical engineering, power energy, materials technology, and neurorehabilitation. It is our hope that this Special Issue will contribute to the research on techniques for the modeling, simulation, and optimization of control systems in dynamic systems
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    Insecticides for Mosquito Control: Strengthening the Evidence Base (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036565927 , 9783036565934
    Language: Undetermined
    Pages: 1 Online-Ressource (338 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The eradication of vector-borne diseases is threatened by the limited range of available insecticides, leading, inevitably, to the development of resistance. This is particularly concerning for malaria control, which relies heavily on insecticide-treated nets (ITNs) and indoor residual sprays (IRS). New chemistries are being developed, and innovative deployment of insecticides may play a role in overcoming resistance, either through new types of tools or new means of distribution. A variety of novel product types and vector control strategies are under development and evaluation, which is to be celebrated, but a strong evidence base is needed to guide effective operational deployment decisions. Novel approaches should be supported by robust data collected using appropriate and validated methods to monitor efficacy, durability, and any emerging resistance. This reprint presents original research into developing and characterizing new vector control products, as well as understanding and monitoring insecticide resistance. Review articles explore the impact of insecticide resistance and offer guidance on insecticide choice in the face of pyrethroid resistance. Consensus methodologies are presented, in the form of standard operating procedures (SOPs) designed to be adopted and used to generate reproducible data that can be compared and interpreted across and between studies. It is hoped that this collection of articles offers inspiration and guidance on how consistent data can be generated to inform more effective development, evaluation, and use of new and existing vector control tools
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    Gender Difference in Diabetes (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036567907 , 9783036567914
    Language: Undetermined
    Pages: 1 Online-Ressource (104 p.)
    Keywords: Research & information: general ; Mathematics & science ; Probability & statistics
    Abstract: Sex and gender can affect the incidence, prevalence, symptoms, course and response to drug therapy in many illnesses, with sex (the biological side) and gender (the social‒cultural one) being variously interconnected. During the two days of the meeting "Gender Differences in Diabetic Disease" held in Olbia, Italy, on 4 and 5 December 2020, we discussed the various medical, social, ethnic, psychological and anthropological aspects of gender differences to build as broad a picture as possible of how these differences are present and evident in diabetic disease. Type 2 diabetes is the perfect example to justify gender medicine. During the meeting, we also tried to identify the still-unclear points that deserve further studies. This book describes several aspects of gender medicine that are related to diabetes. Physiopathology, drug treatment, sexual and psychological aspects, diabetes complication, migration, burden of working with a chronic disease and aspects related to COVID-19 infection are explored in a gender differentiation way. The authors are from different fields: medical doctors, biologist, psychologist, nurse, pharmacist, anthropologist and so on
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    3D Printing of Metal (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036568652 , 9783036568645
    Language: Undetermined
    Pages: 1 Online-Ressource (170 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Metal 3D printing, as an advanced forming, can manufacture parts directly from digital model by using layer by layer material build-up approach. This manufacturing method can prepare complex shape metal parts in short time, with and high precision. Three-dimensional printing processes can be classified into two major groups: Powder Bed Fusion-based technologies and Directed Energy Deposition. Three-dimensional printing features freedom of part complexity, part design, and light-weighting for aerospace, automobile, and other industries application. The Global Metal 3D Printing Market is mainly driven by the the fast developing of aerospace and automobile industry. The Global Metal 3D Printing Market size was valued at USD 534.18 Million in 2020 and is projected to reach USD 4458.76 Million by 2028, growing at a CAGR of 30.38% from 2021 to 2028
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    Plant DNA Barcodes, Community Ecology, and Species Interactions (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036560434 , 9783036560441
    Language: Undetermined
    Pages: 1 Online-Ressource (194 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The community of biologists has been eager to realize the promise of DNA barcodes since the concept was first proposed in 2003. As we approach twenty years of DNA barcoding, their application continues to increase, and methods continue to be developed that utilize this ever-expanding resource for multiple fields of biology. The nearly ten million DNA barcodes available today provide a database that is especially useful for ecology and evolutionary biology. Thanks to these large and well-curated DNA barcode resources, fundamental biological questions can be more rigorously addressed regarding community evolution, assembly, herbivory, pollination, and species interactions across and among diverse habitats and organisms, including plants, animals, fungi, and microorganisms. This reprint illustrates the wide variety of applications of DNA barcodes, especially in plants, to tackle research topics in ecology, evolutionary biology, plant–animal interactions, taxonomy, conservation, and ethnobotany
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    Applications of Partial Differential Equations (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036595641 , 9783036595658
    Language: Undetermined
    Pages: 1 Online-Ressource (274 p.)
    Keywords: Research & information: general ; Mathematics & science ; non-linear optimal control ; stratified fluids ; energy functional ; optimal condition ; state variable ; travelling waves ; Eyring–Powell ; geometric perturbation ; nonlinear reaction–diffusion ; unsteady flow ; C∞-semigroups ; analytic semigroups ; Fourier multipliers ; Λ-ellipticity ; fractional Zakharov system ; stochastic Zakharov system ; Riccati–Bernoulli sub-ODE method ; Jacobi elliptic function method ; generalized fractional derivative ; time-diffusion problem ; generalized linear interpolation ; numerical scheme ; backward nonlocal wave equation ; Pascal bases automatically satisfying specified conditions ; integral boundary condition ; nonlocal boundary shape function ; delay differential equations ; 2D parabolic equations ; fractional step method ; convection diffusion problems ; shallow water flow ; Faedo–Galerkin method ; feedback control ; PDE’s stabilization ; tuberculosis ; COVID-19 ; diffusion ; coinfection ; stability ; singularly perturbed problem ; parabolic differential equation ; convection–diffusion problem ; line discontinuous source term ; streamline–diffusion finite element method ; Shishkin mesh ; uniformly convergent ; diffusion equations ; traveling waves ; phototaxis ; bacterial motion ; biological aggregation ; chemotaxis model ; integral inequality ; global uniform boundedness ; CNL-GZE ; lump-type solitons ; rogue wave ; appropriate transformation technique ; optimal decay ; viscoelastic wave equation ; nonlinear time-varying delay ; nonlinear damping ; acoustic boundary conditions
    Abstract: Partial differential equations are indispensable for modeling various phenomena and processes, such as those in physics, biology, finance, and engineering. Finding solutions to partial differential equations using qualitative theories or quantitative methods, as well as the application of such investigations to real-world problems, has drawn a large amount of interest from researchers. This reprint encompasses all the articles that were accepted and published in this Special Issue titled "Applications of Partial Differential Equations ". We hope that these accepted and published papers will be impactful and motivate future research on partial differential equations for solving complex problems in various fields, disciplines, and applications
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    Recent Advances and Applications in Partial Least Squares Structural Equation Modeling (PLS-SEM) (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036595924 , 9783036595931
    Language: Undetermined
    Pages: 1 Online-Ressource (494 p.)
    Keywords: Research & information: general ; Mathematics & science ; PLS-SEM ; structural equations ; economics ; finance ; healthcare ; sustainability ; environment
    Abstract: This reprint includes 23 research articles and 1 review accepted and published by MDPI in the Special Issue entitled "Recent Advances and Applications in Partial Least Squares Structural Equation Modeling (PLS-SEM)", comprising 7 articles in Economies, 6 articles in Mathematics, 10 articles in Sustainability and 1 article in Data. The covered topics include the impacts of COVID-19 and climate change on food security or the tourism sector, the critical factors affecting the implementation of corporate governance, consumers' perspectives and behaviors toward corporate social responsibility, consumers’ ethnocentrism and country of origin, the differentiation strategy and export performance in emerging countries, the influence of agricultural development on alleviating rural poverty, leadership and employee performance, the relationship between entrepreneurial orientation and business performance, the role of commitment in an extended theory of planned behavior, major shifts in sustainable consumer behavior, an empirical evaluation of customers' adoption of drone food delivery services, European citizens' happiness, the mediation of corporate social responsibility between information and communication technologies adoption and SMEs performance, students’ satisfaction about blended learning, etc. This reprint is expected to benefit those working in the area of PLS-SEM, regardless of their field of study (economics, finance, marketing, education, etc.). Applications involving higher-order constructs, mediating variables, multigroup analysis, and the latest advances in applied methodology are detailed in this reprint
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    Applied Mathematics in Ferroelectricity and Piezoelectricity (2023)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036513201 , 9783036513195
    Language: Undetermined
    Pages: 1 Online-Ressource (632 p.)
    Keywords: Technology: general issues ; Research & information: general ; Mathematics & science ; ferroelectrics ; piezoelectricity ; phenomenology ; applied mathematics
    Abstract: This textbook “Applied Mathematics in Ferroelectricity and Piezoelectricity” was authored to provide the reader solid mathematical background for studying “ferroelectricity and piezoelectricity”, as a supplemental reference to my three course books; “Ferroelectric Devices 2nd Edition (2010)”, “Micromechatronics 2nd Edition (2019)”, and “FEM and Micromechatronics with ATILA Software (2008)”, all published from CRC Press. “Physics” prefers “simplicity”; converting a complicated phenomenon expressed by a function
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    Fuzzy Sets in Business Management, Finance, and Economics (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036530048 , 9783036530055
    Language: Undetermined
    Pages: 1 Online-Ressource (346 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This book collects fifteen papers published in s Special Issue of Mathematics titled "Fuzzy Sets in Business Management, Finance, and Economics", which was published in 2021. These paper cover a wide range of different tools from Fuzzy Set Theory and applications in many areas of Business Management and other connected fields. Specifically, this book contains applications of such instruments as, among others, Fuzzy Set Qualitative Comparative Analysis, Neuro-Fuzzy Methods, the Forgotten Effects Algorithm, Expertons Theory, Fuzzy Markov Chains, Fuzzy Arithmetic, Decision Making with OWA Operators and Pythagorean Aggregation Operators, Fuzzy Pattern Recognition, and Intuitionistic Fuzzy Sets. The papers in this book tackle a wide variety of problems in areas such as strategic management, sustainable decisions by firms and public organisms, tourism management, accounting and auditing, macroeconomic modelling, the evaluation of public organizations and universities, and actuarial modelling. We hope that this book will be useful not only for business managers, public decision-makers, and researchers in the specific fields of business management, finance, and economics but also in the broader areas of soft mathematics in social sciences. Practitioners will find methods and ideas that could be fruitful in current management issues. Scholars will find novel developments that may inspire further applications in the social sciences
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    Approximate Bayesian Inference (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036537894 , 9783036537900
    Language: Undetermined
    Pages: 1 Online-Ressource (508 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Extremely popular for statistical inference, Bayesian methods are also becoming popular in machine learning and artificial intelligence problems. Bayesian estimators are often implemented by Monte Carlo methods, such as the Metropolis-Hastings algorithm of the Gibbs sampler. These algorithms target the exact posterior distribution. However, many of the modern models in statistics are simply too complex to use such methodologies. In machine learning, the volume of the data used in practice makes Monte Carlo methods too slow to be useful. On the other hand, these applications often do not require an exact knowledge of the posterior. This has motivated the development of a new generation of algorithms that are fast enough to handle huge datasets but that often target an approximation of the posterior. This book gathers 18 research papers written by Approximate Bayesian Inference specialists and provides an overview of the recent advances in these algorithms. This includes optimization-based methods (such as variational approximations) and simulation-based methods (such as ABC or Monte Carlo algorithms). The theoretical aspects of Approximate Bayesian Inference are covered, specifically the PAC-Bayes bounds and regret analysis. Applications for challenging computational problems in astrophysics, finance, medical data analysis, and computer vision area also presented
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    Recent Developments of Function Spaces and Their Applications I (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036540177 , 9783036540184
    Language: Undetermined
    Pages: 1 Online-Ressource (408 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This book includes 13 papers concerning some of the recent progress in the theory of function spaces and its applications. The involved function spaces include Morrey and weak Morrey spaces, Hardy-type spaces, John-Nirenberg spaces, Sobolev spaces, and Besov and Triebel-Lizorkin spaces on different underlying spaces, and they are applied in the study of problems ranging from harmonic analysis to potential analysis and partial differential equations, such as the boundedness of paraproducts and Calderón operators, the characterization of pointwise multipliers, estimates of anisotropic logarithmic potential, as well as certain Dirichlet problems for the Schrödinger equation
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    Computational Intelligence and Human- Computer Interaction: Modern Methods and Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036539379 , 9783036539386
    Language: Undetermined
    Pages: 1 Online-Ressource (192 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains all of the articles that were accepted and published in the Special Issue of MDPI's journal Mathematics titled "Computational Intelligence and Human-Computer Interaction: Modern Methods and Applications". This Special Issue covered a wide range of topics connected to the theory and application of different computational intelligence techniques to the domain of human-computer interaction, such as automatic speech recognition, speech processing and analysis, virtual reality, emotion-aware applications, digital storytelling, natural language processing, smart cars and devices, and online learning. We hope that this book will be interesting and useful for those working in various areas of artificial intelligence, human-computer interaction, and software engineering as well as for those who are interested in how these domains are connected in real-life situations
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    Fractional Calculus and Special Functions with Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036536170 , 9783036536187
    Language: Undetermined
    Pages: 1 Online-Ressource (164 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The study of fractional integrals and fractional derivatives has a long history, and they have many real-world applications because of their properties of interpolation between integer-order operators. This field includes classical fractional operators such as Riemann-Liouville, Weyl, Caputo, and Grunwald-Letnikov; nevertheless, especially in the last two decades, many new operators have also appeared that often define using integrals with special functions in the kernel, such as Atangana-Baleanu, Prabhakar, Marichev-Saigo-Maeda, and the tempered fractional equation, as well as their extended or multivariable forms. These have been intensively studied because they can also be useful in modelling and analysing real-world processes, due to their different properties and behaviours from those of the classical cases.Special functions, such as Mittag-Leffler functions, hypergeometric functions, Fox's H-functions, Wright functions, and Bessel and hyper-Bessel functions, also have important connections with fractional calculus. Some of them, such as the Mittag-Leffler function and its generalisations, appear naturally as solutions of fractional differential equations. Furthermore, many interesting relationships between different special functions are found by using the operators of fractional calculus. Certain special functions have also been applied to analyse the qualitative properties of fractional differential equations, e.g., the concept of Mittag-Leffler stability.The aim of this reprint is to explore and highlight the diverse connections between fractional calculus and special functions, and their associated applications
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    Research on Cosmic Rays and Their Impact on Human Activities (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036538570 , 9783036538587
    Language: Undetermined
    Pages: 1 Online-Ressource (140 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The galactic cosmic-ray spectrum extends over 14 orders of magnitudes in energy and about 12 orders of magnitude in intensity, and it can be studied using two different methods: via the "direct detection" of the primary cosmic rays in space or at high altitude and via the "indirect detection" of secondary particles, namely the extensive air showers produced by a primary cosmic-ray particle impinging the atmosphere. In this Special Issue, both direct and indirect measurements are presented via from various experiments. Emphasis is placed on low-energy electrons and protons that are detected in flight as well as during geomagnetic storms. As for indirect detection, the muon flux determination and modulation at ground level are described in great detail. Some of the most interesting results are hereby presented, and a couple of new techniques in cosmic-ray detection are reported
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    New Development of Neutrosophic Probability, Neutrosophic Statistics, Neutrosophic Algebraic Structures, and Neutrosophic & Plithogenic Optimizations (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036529547 , 9783036529554
    Language: English
    Pages: 1 Online-Ressource (383 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This Special Issue puts forward for discussion state-of-the-art papers on new topics related to neutrosophic theories, such as neutrosophic algebraic structures, neutrosophic triplet algebraic structures, neutrosophic extended triplet algebraic structures, neutrosophic algebraic hyperstructures, neutrosophic triplet algebraic hyperstructures, neutrosophic n-ary algebraic structures, neutrosophic n-ary algebraic hyperstructures, refined neutrosophic algebraic structures, refined neutrosophic algebraic hyperstructures, quadruple neutrosophic algebraic structures, refined quadruple neutrosophic algebraic structures, neutrosophic image processing, neutrosophic image classification, neutrosophic computer vision, neutrosophic machine learning, neutrosophic artificial intelligence, neutrosophic data analytics, neutrosophic deep learning, neutrosophic symmetry, and their applications in the real world. This book leads to the further advancement of the neutrosophic and plithogenic theories of NeutroAlgebra and AntiAlgebra, NeutroGeometry and AntiGeometry, Neutrosophic n-SuperHyperGraph (the most general form of graph of today), Neutrosophic Statistics, Plithogenic Logic as a generalization of MultiVariate Logic, Plithogenic Probability and Plithogenic Statistics as a generalization of MultiVariate Probability and Statistics, respectively, and presents their countless applications in our every-day world
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    Nonlinear Analysis and Optimization with Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036520469 , 9783036520452
    Language: English
    Pages: 1 Online-Ressource (208 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Nonlinear analysis has wide and significant applications in many areas of mathematics, including functional analysis, variational analysis, nonlinear optimization, convex analysis, nonlinear ordinary and partial differential equations, dynamical system theory, mathematical economics, game theory, signal processing, control theory, data mining, and so forth. Optimization problems have been intensively investigated, and various feasible methods in analyzing convergence of algorithms have been developed over the last half century. In this Special Issue, we will focus on the connection between nonlinear analysis and optimization as well as their applications to integrate basic science into the real world
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    Differential Equation Models in Applied Mathematics : Theoretical and Numerical Challenges (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036530116 , 9783036530109
    Language: English
    Pages: 1 Online-Ressource (152 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains the articles published in the Special Issue “Differential Equation Models in Applied Mathematics: Theoretical and Numerical Challenges” of the MDPI journal Mathematics. The Special Issue aimed to highlight old and new challenges in the formulation, solution, understanding, and interpretation of models of differential equations (DEs) in different real world applications. The technical topics covered in the seven articles published in this book include: asymptotic properties of high order nonlinear DEs, analysis of backward bifurcation, and stability analysis of fractional-order differential systems. Models oriented to real applications consider the chemotactic between cell species, the mechanism of on-off intermittency in food chain models, and the occurrence of hysteresis in marketing. Numerical aspects deal with the preservation of mass and positivity and the efficient solution of Boundary Value Problems (BVPs) for optimal control problems. I hope that this collection will be useful for those working in the area of modelling real-word applications through differential equations and those who care about an accurate numerical approximation of their solutions. The reading is also addressed to those willing to become familiar with differential equations which, due to their predictive abilities, represent the main mathematical tool for applying scenario analysis to our changing world
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    Theoretical and Computational Research in Various Scheduling Models (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036530192 , 9783036530185
    Language: English
    Pages: 1 Online-Ressource (208 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Nine manuscripts were published in this Special Issue on “Theoretical and Computational Research in Various Scheduling Models, 2021” of the MDPI Mathematics journal, covering a wide range of topics connected to the theory and applications of various scheduling models and their extensions/generalizations. These topics include a road network maintenance project, cost reduction of the subcontracted resources, a variant of the relocation problem, a network of activities with generally distributed durations through a Markov chain, idea on how to improve the return loading rate problem by integrating the sub-tour reversal approach with the method of the theory of constraints, an extended solution method for optimizing the bi-objective no-idle permutation flowshop scheduling problem, the burn-in (B/I) procedure, the Pareto-scheduling problem with two competing agents, and three preemptive Pareto-scheduling problems with two competing agents, among others. We hope that the book will be of interest to those working in the area of various scheduling problems and provide a bridge to facilitate the interaction between researchers and practitioners in scheduling questions. Although discrete mathematics is a common method to solve scheduling problems, the further development of this method is limited due to the lack of general principles, which poses a major challenge in this research field
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    Singularly Perturbed Problems: Asymptotic Analysis and Approximate Solution (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036560298 , 9783036560304
    Language: Undetermined
    Pages: 1 Online-Ressource (258 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This book collects papers from the Special Issue "Singularly Perturbed Problems: Asymptotic Analysis and Approximate Solution", published in Axioms. These papers cover different aspects of singular perturbation theory and its applications: axiomatic approach in the analytic theory of singular perturbations; asymptotic solution of various types of singularly perturbed integral-differential and integral equations with weakly and rapidly varying kernels of the integral operators; propagation of two-dimensional periodic perturbations in a viscous continuously stratified fluid; asymptotic analysis of the stochastic linear-quadratic optimal control problem with two fast timescales in the dynamics; asymptotic solution of singularly perturbed Cauchy problem for different types of differential equations with "simple" turning points; asymptotic analysis of the complete Euclidean space controllability for different types of singularly perturbed differential systems with time delays; asymptotic solution of singularly perturbed systems in the critical case by the orthogonal projector method; application of the direct scheme method to asymptotic solution of one class of optimal control problems with three-tempo state variables; asymptotic analysis and solution of a cheap control linear quadratic zero-sum differential game; analysis of asymptotic behavior of the solutions for one class of singularly perturbed Neumann boundary value problems
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    Advances in Differential Dynamical Systems with Applications to Economics and Biology (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036558653 , 9783036558660
    Language: Undetermined
    Pages: 1 Online-Ressource (302 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In recent research on natural processes, mathematical modeling has become a very useful tool. It is often the case that, in fields such as economics and biology, a temporal lag between cause and effect must often be taken into consideration. In modeling, a natural and practical implementation of this phenomenon is through the use of distributed delays. This is because they illustrate the situation where temporal lags arise in certain ranges of values for certain related probability distributions, taking into account the variables' entire history of behavior. Another mathematical tool that allows for the memory and inherited properties of systems to be encompassed in a model is the replacement of integer-order derivatives with fractional derivatives. To address realistic conditions, stochastic perturbation framed by a stochastic differential delay system can be used to explain the ambiguity about the context in which the system operates. The present book comprises all the 16 articles accepted and published in the Special Issue "Advances in Differential Dynamical Systems with Applications to Economics and Biology" of the MDPI journal Mathematics, with focuses on the dynamical analysis of mathematical models, arising from economy and biology, and innovative developments in mathematical techniques for their applications. We expect that the international scientific community will find this collection of research papers influential and that they will spur additional investigations on diverse applications with respect to dynamical systems in all scientific areas
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    Integral Transformation, Operational Calculus and Their Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036554815 , 9783036554822
    Language: Undetermined
    Pages: 1 Online-Ressource (200 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The importance and usefulness of subjects and topics involving integral transformations and operational calculus are becoming widely recognized, not only in the mathematical sciences but also in the physical, biological, engineering and statistical sciences. This book contains invited reviews and expository and original research articles dealing with and presenting state-of-the-art accounts of the recent advances in these important and potentially useful subjects
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    Bayesian Predictive Inference and Related Asymptotics—Festschrift for Eugenio Regazzini's 75th Birthday (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036551142 , 9783036551135
    Language: Undetermined
    Pages: 1 Online-Ressource (198 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Bayesian predictive inference is at the core of the mathematical theory of inductive reasoning. Nowadays, this field has become very attractive especially for its connections with algorithmic probability, machine learning and artificial intelligence. The complexity of both problems and algorithm represents a constant source of research of asymptotic techniques, which are necessary to handle vast datasets. The present book contains the 11 papers accepted and published in the Special Issue "Bayesian Predictive Inference and Related Asymptotics-Festschrift for Eugenio Regazzini's 75th Birthday" of the MDPI Mathematics journal. The topics of the paper focus, among others, on Bayesian nonparametrics, species sampling models, partial exchangeability and optimal stopping. Finally, as the title suggests, the Special Issue aims to celebrate the 75th birthday of Prof. Eugenio Regazzini, who has provided so many important contributions to the field of Bayesian inference
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    High-Energy Gamma-Ray Astronomy : Results on Fundamental Questions after 30 Years of Ground-Based Observations (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036557274 , 9783036557281
    Language: Undetermined
    Pages: 1 Online-Ressource (504 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This volume celebrates the 30th anniversary of the first very-high energy (VHE) gamma-ray Source detection: the Crab Nebula, observed by the pioneering ground-based Cherenkov telescope Whipple, at teraelectronvolts (TeV) energies, in 1989. As we entered a new era in TeV astronomy, with the imminent start of operations of the Cherenkov Telescope Array (CTA) and new facilities such as LHAASO and the proposed Southern Wide-Field Gamma-ray Observatory (SWGO), we conceived of this volume as a broad reflection on how far we have evolved in the astrophysics topics that dominated the field of TeV astronomy for much of recent history.In the past two decades, H.E.S.S., MAGIC and VERITAS pushed the field of TeV astronomy, consolidating the field of TeV astrophysics, from few to hundreds of TeV emitters. Today, this is a mature field, covering almost every topic of modern astrophysics. TeV astrophysics is also at the center of the multi-messenger astrophysics revolution, as the extreme photon energies involved provide an effective probe in cosmic-ray acceleration, propagation and interaction, in dark matter and exotic physics searches. The improvement that CTA will carry forward and the fact that CTA will operate as the first open observatory in the field, mean that gamma-ray astronomy is about to enter a new precision and productive era.This book aims to serve as an introduction to the field and its state of the art, presenting a series of authoritative reviews on a broad range of topics in which TeV astronomy provided essential contributions, and where some of the most relevant questions for future research lie
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    Computational Fluid Dynamics 2020 (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036527840 , 9783036527857
    Language: Undetermined
    Pages: 1 Online-Ressource (412 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This book presents a collection of works published in a recent Special Issue (SI) entitled "Computational Fluid Dynamics". These works address the development and validation of existent numerical solvers for fluid flow problems and their related applications. They present complex nonlinear, non-Newtonian fluid flow problems that are (in some cases) coupled with heat transfer, phase change, nanofluidic, and magnetohydrodynamics (MHD) phenomena. The applications are wide and range from aerodynamic drag and pressure waves to geometrical blade modification on aerodynamics characteristics of high-pressure gas turbines, hydromagnetic flow arising in porous regions, optimal design of isothermal sloshing vessels to evaluation of (hybrid) nanofluid properties, their control using MHD, and their effect on different modes of heat transfer. Recent advances in numerical, theoretical, and experimental methodologies, as well as new physics, new methodological developments, and their limitations are presented within the current book. Among others, in the presented works, special attention is paid to validating and improving the accuracy of the presented methodologies. This book brings together a collection of inter/multidisciplinary works on many engineering applications in a coherent manner
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    Advances in Architectural Acoustics (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036542959 , 9783036542966
    Language: Undetermined
    Pages: 1 Online-Ressource (356 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Satisfactory acoustics is crucial for the ability of spaces such as auditoriums and lecture rooms to perform their primary function. The acoustics of dwellings and offices greatly affects the quality of our life, since we are all consciously or subconsciously aware of the sounds to which we are daily subjected. Architectural acoustics, which encompasses room and building acoustics, is the scientific field that deals with these topics and can be defined as the study of generation, propagation, and effects of sound in enclosures. Modeling techniques, as well as related acoustic theories for accurately calculating the sound field, have been the center of many major new developments. In addition, the image conveyed by a purely physical description of sound would be incomplete without regarding human perception; hence, the interrelation between objective stimuli and subjective sensations is a field of important investigations. A holistic approach in terms of research and practice is the optimum way for solving the perplexing problems which arise in the design or refurbishment of spaces, since current trends in contemporary architecture, such as transparency, openness, and preference for bare sound-reflecting surfaces are continuing pushing the very limits of functional acoustics. All the advances in architectural acoustics gathered in this Special Issue, we hope that inspire researchers and acousticians to explore new directions in this age of scientific convergence
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    Fractional Calculus - Theory and Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036532622 , 9783036532639
    Language: Undetermined
    Pages: 1 Online-Ressource (198 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In recent years, fractional calculus has led to tremendous progress in various areas of science and mathematics. New definitions of fractional derivatives and integrals have been uncovered, extending their classical definitions in various ways. Moreover, rigorous analysis of the functional properties of these new definitions has been an active area of research in mathematical analysis. Systems considering differential equations with fractional-order operators have been investigated thoroughly from analytical and numerical points of view, and potential applications have been proposed for use in sciences and in technology. The purpose of this Special Issue is to serve as a specialized forum for the dissemination of recent progress in the theory of fractional calculus and its potential applications
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    Symmetry in Modeling and Analysis of Dynamic Systems (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036533841 , 9783036533834
    Language: Undetermined
    Pages: 1 Online-Ressource (152 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Real-world systems exhibit complex behavior, therefore novel mathematical approaches or modifications of classical ones have to be employed to precisely predict, monitor, and control complicated chaotic and stochastic processes. One of the most basic concepts that has to be taken into account while conducting research in all natural sciences is symmetry, and it is usually used to refer to an object that is invariant under some transformations including translation, reflection, rotation or scaling.The following Special Issue is dedicated to investigations of the concept of dynamical symmetry in the modelling and analysis of dynamic features occurring in various branches of science like physics, chemistry, biology, and engineering, with special emphasis on research based on the mathematical models of nonlinear partial and ordinary differential equations. Addressed topics cover theories developed and employed under the concept of invariance of the global/local behavior of the points of spacetime, including temporal/spatiotemporal symmetries
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    Advances in Discrete Applied Mathematics and Graph Theory (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036544359 , 9783036544366
    Language: Undetermined
    Pages: 1 Online-Ressource (160 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present reprint contains twelve papers published in the Special Issue "Advances in Discrete Applied Mathematics and Graph Theory, 2021" of the MDPI Mathematics journal, which cover a wide range of topics connected to the theory and applications of Graph Theory and Discrete Applied Mathematics. The focus of the majority of papers is on recent advances in graph theory and applications in chemical graph theory. In particular, the topics studied include bipartite and multipartite Ramsey numbers, graph coloring and chromatic numbers, several varieties of domination (Double Roman, Quasi-Total Roman, Total 3-Roman) and two graph indices of interest in chemical graph theory (Sombor index, generalized ABC index), as well as hyperspaces of graphs and local inclusive distance vertex irregular graphs
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    Modeling and Simulation in Engineering (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036559391 , 9783036559407
    Language: Undetermined
    Pages: 1 Online-Ressource (290 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The Special Issue Modeling and Simulation in Engineering, belonging to the section Engineering Mathematics of the Journal Mathematics, publishes original research papers dealing with advanced simulation and modeling techniques. The present book, "Modeling and Simulation in Engineering I, 2022", contains 14 papers accepted after peer review by recognized specialists in the field. The papers address different topics occurring in engineering, such as ferrofluid transport in magnetic fields, non-fractal signal analysis, fractional derivatives, applications of swarm algorithms and evolutionary algorithms (genetic algorithms), inverse methods for inverse problems, numerical analysis of heat and mass transfer, numerical solutions for fractional differential equations, Kriging modelling, theory of the modelling methodology, and artificial neural networks for fault diagnosis in electric circuits. It is hoped that the papers selected for this issue will attract a significant audience in the scientific community and will further stimulate research involving modelling and simulation in mathematical physics and in engineering
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    Sustainability Analysis and Environmental Decision-Making Using Simulation, Optimization, and Computational Analytics (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036531991 , 9783036531984
    Language: Undetermined
    Pages: 1 Online-Ressource (248 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Effective environmental decision-making is often challenging and complex, where final solutions frequently possess inherently subjective political and socio-economic components. Consequently, complex sustainability applications in the "real world" frequently employ computational decision-making approaches to construct solutions to problems containing numerous quantitative dimensions and considerable sources of uncertainty. This volume includes a number of such applied computational analytics papers that either create new decision-making methods or provide innovative implementations of existing methods for addressing a wide spectrum of sustainability applications, broadly defined. The disparate contributions all emphasize novel approaches of computational analytics as applied to environmental decision-making and sustainability analysis - be this on the side of optimization, simulation, modelling, computational solution procedures, visual analytics, and/or information technologies
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    Divergence Measures : Mathematical Foundations and Applications in Information-Theoretic and Statistical Problems (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036543321 , 9783036543314
    Language: Undetermined
    Pages: 1 Online-Ressource (256 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Data science, information theory, probability theory, statistical learning and other related disciplines greatly benefit from non-negative measures of dissimilarity between pairs of probability measures. These are known as divergence measures, and exploring their mathematical foundations and diverse applications is of significant interest. The present Special Issue, entitled "Divergence Measures: Mathematical Foundations and Applications in Information-Theoretic and Statistical Problems", includes eight original contributions, and it is focused on the study of the mathematical properties and applications of classical and generalized divergence measures from an information-theoretic perspective. It mainly deals with two key generalizations of the relative entropy: namely, the R_ényi divergence and the important class of f -divergences. It is our hope that the readers will find interest in this Special Issue, which will stimulate further research in the study of the mathematical foundations and applications of divergence measures
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    Fractional Calculus and the Future of Science (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036528267 , 9783036528274
    Language: Undetermined
    Pages: 1 Online-Ressource (312 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Newton foresaw the limitations of geometry's description of planetary behavior and developed fluxions (differentials) as the new language for celestial mechanics and as the way to implement his laws of mechanics. Two hundred years later Mandelbrot introduced the notion of fractals into the scientific lexicon of geometry, dynamics, and statistics and in so doing suggested ways to see beyond the limitations of Newton's laws. Mandelbrot's mathematical essays suggest how fractals may lead to the understanding of turbulence, viscoelasticity, and ultimately to end of dominance of the Newton's macroscopic world view.Fractional Calculus and the Future of Science examines the nexus of these two game-changing contributions to our scientific understanding of the world. It addresses how non-integer differential equations replace Newton's laws to describe the many guises of complexity, most of which lay beyond Newton's experience, and many had even eluded Mandelbrot's powerful intuition. The book's authors look behind the mathematics and examine what must be true about a phenomenon's behavior to justify the replacement of an integer-order with a noninteger-order (fractional) derivative. This window into the future of specific science disciplines using the fractional calculus lens suggests how what is seen entails a difference in scientific thinking and understanding
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    Mathematical Modeling and Simulation in Mechanics and Dynamic Systems (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036532769 , 9783036532776
    Language: Undetermined
    Pages: 1 Online-Ressource (342 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains the 16 papers accepted and published in the Special Issue "Mathematical Modeling and Simulation in Mechanics and Dynamic Systems" of the MDPI "Mathematics" journal, which cover a wide range of topics connected to the theory and applications of Modeling and Simulation of Dynamic Systems in different field. These topics include, among others, methods to model and simulate mechanical system in real engineering. It is hopped that the book will find interest and be useful for those working in the area of Modeling and Simulation of the Dynamic Systems, as well as for those with the proper mathematical background and willing to become familiar with recent advances in Dynamic Systems, which has nowadays entered almost all sectors of human life and activity
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    Mathematical Modelling and Machine Learning Methods for Bioinformatics and Data Science Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036528410 , 9783036528403
    Language: English
    Pages: 1 Online-Ressource (102 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Mathematical modeling is routinely used in physical and engineering sciences to help understand complex systems and optimize industrial processes. Mathematical modeling differs from Artificial Intelligence because it does not exclusively use the collected data to describe an industrial phenomenon or process, but it is based on fundamental laws of physics or engineering that lead to systems of equations able to represent all the variables that characterize the process. Conversely, Machine Learning methods require a large amount of data to find solutions, remaining detached from the problem that generated them and trying to infer the behavior of the object, material or process to be examined from observed samples. Mathematics allows us to formulate complex models with effectiveness and creativity, describing nature and physics. Together with the potential of Artificial Intelligence and data collection techniques, a new way of dealing with practical problems is possible. The insertion of the equations deriving from the physical world in the data-driven models can in fact greatly enrich the information content of the sampled data, allowing to simulate very complex phenomena, with drastically reduced calculation times. Combined approaches will constitute a breakthrough in cutting-edge applications, providing precise and reliable tools for the prediction of phenomena in biological macro/microsystems, for biotechnological applications and for medical diagnostics, particularly in the field of precision medicine
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    Insects : Functional Morphology, Biomechanics and Biomimetics (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
    Details
    ISBN: 9783036528922 , 9783036528939
    Language: English
    Pages: 1 Online-Ressource (167 p.)
    Keywords: Mathematics & science ; Biology, life sciences ; Zoology & animal sciences
    Abstract: In this thematic series, engineers and scientists come together to address two interesting interdisciplinary questions in functional morphology and biomechanics: How do the structure and material determine the function of insect body parts? How can insects inspire engineering innovations?
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    Fuzzy Natural Logic in IFSA-EUSFLAT 2021 (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036561479 , 9783036561486
    Language: Undetermined
    Pages: 1 Online-Ressource (148 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains five papers accepted and published in the Special Issue, "Fuzzy Natural Logic in IFSA-EUSFLAT 2021", of the journal Mathematics (MDPI). These papers are extended versions of the contributions presented in the conference "The 19th World Congress of the International Fuzzy Systems Association and the 12th Conference of the European Society for Fuzzy Logic and Technology jointly with the AGOP, IJCRS, and FQAS conferences", which took place in Bratislava (Slovakia) from September 19 to September 24, 2021. Fuzzy Natural Logic (FNL) is a system of mathematical fuzzy logic theories that enables us to model natural language terms and rules while accounting for their inherent vagueness and allows us to reason and argue using the tools developed in them. FNL includes, among others, the theory of evaluative linguistic expressions (e.g., small, very large, etc.), the theory of fuzzy and intermediate quantifiers (e.g., most, few, many, etc.), and the theory of fuzzy/linguistic IF-THEN rules and logical inference. The papers in this Special Issue use the various aspects and concepts of FNL mentioned above and apply them to a wide range of problems both theoretically and practically oriented. This book will be of interest for researchers working in the areas of fuzzy logic, applied linguistics, generalized quantifiers, and their applications
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    Fuzzy Logic and Soft Computing – Dedicated to the Centenary of the Birth of Lotfi A. Zadeh (1921-2017) (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036555881 , 9783036555874
    Language: Undetermined
    Pages: 1 Online-Ressource (230 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains 14 papers accepted and published in the Special Issue of the MDPI Mathematics journal, entitled "Fuzzy Logic and Soft Computing - Dedicated to the Centenary of the Birth of Lotfi A. Zadeh (1921-2017)", which covers a wide range of topics connected to the theory and applications of fuzzy logic and soft computing. More precisely, these topics include: mathematical programming problems with coefficients and/or decision variables expressed by fuzzy numbers; soft computing methods in a fuzzy environment; fuzzy inner product spaces; M-hazy vector spaces; interval ranges of fuzzy sets; arithmetic operations of fuzzy sets; gradual numbers; Interval-valued fuzzy soft sets; interval-valued fuzzy soft topology; preference relationships; L-fuzzy sub-effect algebras; Fuzzy differential subordinations; m-polar fuzzy set in semigroups; practical use of the marks; the fuzzy logic approach for decision-making systems in management control; multigranulation rough sets; the multigranulation roughness of an intuitionistic fuzzy set; decision-making algorithms, etc. We hope that this book will be useful for those who work in the domains of fuzzy logic and soft computing or for those who want to familiarize themselves with the most advanced knowledge in the field of fuzzy mathematics
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    Fuzzy Decision Making and Soft Computing Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036549293 , 9783036549309
    Language: Undetermined
    Pages: 1 Online-Ressource (278 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This Special Issue collects original research articles discussing cutting-edge work as well as perspectives on future directions in the whole range of theoretical and practical aspects in these research areas: i) Theory of fuzzy systems and soft computing; ii) Learning procedures; iii) Decision-making applications employing fuzzy logic and soft computing
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    Advances in Artificial Intelligence: Models, Optimization, and Machine Learning (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036545158 , 9783036545165
    Language: Undetermined
    Pages: 1 Online-Ressource (362 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains all the articles accepted and published in the Special Issue "Advances in Artificial Intelligence: Models, Optimization, and Machine Learning" of the MDPI Mathematics journal, which covers a wide range of topics connected to the theory and applications of artificial intelligence and its subfields. These topics include, among others, deep learning and classic machine learning algorithms, neural modelling, architectures and learning algorithms, biologically inspired optimization algorithms, algorithms for autonomous driving, probabilistic models and Bayesian reasoning, intelligent agents and multiagent systems. We hope that the scientific results presented in this book will serve as valuable sources of documentation and inspiration for anyone willing to pursue research in artificial intelligence, machine learning and their widespread applications
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    Miniaturized Transistors, Volume II (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036541693 , 9783036541709
    Language: Undetermined
    Pages: 1 Online-Ressource (352 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In this book, we aim to address the ever-advancing progress in microelectronic device scaling. Complementary Metal-Oxide-Semiconductor (CMOS) devices continue to endure miniaturization, irrespective of the seeming physical limitations, helped by advancing fabrication techniques. We observe that miniaturization does not always refer to the latest technology node for digital transistors. Rather, by applying novel materials and device geometries, a significant reduction in the size of microelectronic devices for a broad set of applications can be achieved. The achievements made in the scaling of devices for applications beyond digital logic (e.g., high power, optoelectronics, and sensors) are taking the forefront in microelectronic miniaturization. Furthermore, all these achievements are assisted by improvements in the simulation and modeling of the involved materials and device structures. In particular, process and device technology computer-aided design (TCAD) has become indispensable in the design cycle of novel devices and technologies. It is our sincere hope that the results provided in this Special Issue prove useful to scientists and engineers who find themselves at the forefront of this rapidly evolving and broadening field. Now, more than ever, it is essential to look for solutions to find the next disrupting technologies which will allow for transistor miniaturization well beyond silicon's physical limits and the current state-of-the-art. This requires a broad attack, including studies of novel and innovative designs as well as emerging materials which are becoming more application-specific than ever before
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    Laser-Driven Accelerators, Radiations, and Their Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036542331 , 9783036542348
    Language: Undetermined
    Pages: 1 Online-Ressource (128 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Particle accelerators and radiation based on radio-frequency (RF) cavities have significantly contributed to the advancement of science and technology in the most recent century. However, the rising costs and scales for building cutting-edge accelerators act as barriers to accessing these particle and radiation sources. Since the introduction of chirped pulse amplification technology in the 1990s, short-pulse, high-power lasers have enabled the realization of laser-driven accelerations and radiation sources. Laser-driven accelerators and radiation sources could be a viable alternative to providing compact and cost-effective particle and photon sources. An accelerating field in a plasma, driven by intense laser pulses, is typically several orders of magnitude greater than that of RF accelerators, while controlling the plasma media and intense laser pulses is highly demanding. Therefore, numerous efforts have been directed toward developing laser-driven high-quality particle beams and radiation sources with the goal of paving the way for these novel sources to be used in a variety of applications. This Special Issue covers the latest developments in laser-based ion and electron accelerators; laser-plasma radiation sources; advanced targetry and diagnostic systems for laser-driven particle accelerators; particle beam transport solutions for multidisciplinary applications; ionizing radiation dose map determination; and new approaches to laser-plasma nuclear fusion using high-intensity, short laser pulses
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    Mathematical Methods, Modelling and Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036543574 , 9783036543581
    Language: Undetermined
    Pages: 1 Online-Ressource (410 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This volume deals with novel high-quality research results of a wide class of mathematical models with applications in engineering, nature, and social sciences. Analytical and numeric, deterministic and uncertain dimensions are treated. Complex and multidisciplinary models are treated, including novel techniques of obtaining observation data and pattern recognition. Among the examples of treated problems, we encounter problems in engineering, social sciences, physics, biology, and health sciences. The novelty arises with respect to the mathematical treatment of the problem. Mathematical models are built, some of them under a deterministic approach, and other ones taking into account the uncertainty of the data, deriving random models. Several resulting mathematical representations of the models are shown as equations and systems of equations of different types: difference equations, ordinary differential equations, partial differential equations, integral equations, and algebraic equations. Across the chapters of the book, a wide class of approaches can be found to solve the displayed mathematical models, from analytical to numeric techniques, such as finite difference schemes, finite volume methods, iteration schemes, and numerical integration methods
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    Mathematical Modeling with Differential Equations in Physics, Chemistry, Biology, and Economics (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036546254 , 9783036546261
    Language: Undetermined
    Pages: 1 Online-Ressource (150 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This volume was conceived as a Special Issue of the MDPI journal Mathematics to illustrate and show relevant applications of differential equations in different fields, coherently with the latest trends in applied mathematics research. All the articles that were submitted for publication are valuable, interesting, and original. The readers will certainly appreciate the heterogeneity of the 10 papers included in this book and will discover how helpful all the kinds of differential equations are in a wide range of disciplines. We are confident that this book will be inspirational for young scholars as well
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    Advances in Optimization and Nonlinear Analysis (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036547497 , 9783036547503
    Language: Undetermined
    Pages: 1 Online-Ressource (334 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book focuses on that part of calculus of variations, optimization, nonlinear analysis and related applications which combines tools and methods from partial differential equations with geometrical techniques. More precisely, this work is devoted to nonlinear problems coming from different areas, with particular reference to those introducing new techniques capable of solving a wide range of problems. The book is a valuable guide for researchers, engineers and students in the field of mathematics, operations research, optimal control science, artificial intelligence, management science and economics
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    Recent Advances in Small-Angle Neutron Scattering (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036537290 , 9783036537306
    Language: Undetermined
    Pages: 1 Online-Ressource (186 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Over the decades, small-angle neutron scattering has became a definitive method for structural investigation on the mesoscale between a few Angstrom up to a few 100 nm. This makes it an indispensable tool for non-destructive material investigations in fields ranging from chemistry and biology, over material sciences to solid state physics, especially taking into account the fundamental nature of neutrons, which makes it possible to probe different isotopes and, therefore, enhance contrast by choosing an appropriate isotope distribution or to probe the spin state of the investigated materials. This Special Issue is dedicated to elucidate the advances made with SANS over the last few years, which includes new instrumentation, sample environment and experimental control, as well as novel approaches and experimental techniques. The ideas and approaches collected here will serve both the experienced experimenter as well as the novice to appraise whether their specific experimental setup is feasible with new ideas
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    Three Risky Decades: A Time for Econophysics? (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036547411 , 9783036547428
    Language: Undetermined
    Pages: 1 Online-Ressource (708 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: Our Special Issue we publish at a turning point, which we have not dealt with since World War II. The interconnected long-term global shocks such as the coronavirus pandemic, the war in Ukraine, and catastrophic climate change have imposed significant humanitary, socio-economic, political, and environmental restrictions on the globalization process and all aspects of economic and social life including the existence of individual people. The planet is trapped-the current situation seems to be the prelude to an apocalypse whose long-term effects we will have for decades. Therefore, it urgently requires a concept of the planet's survival to be built-only on this basis can the conditions for its development be created. The Special Issue gives evidence of the state of econophysics before the current situation. Therefore, it can provide excellent econophysics or an inter-and cross-disciplinary starting point of a rational approach to a new era
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    Computational Optimizations for Machine Learning (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036531861 , 9783036531878
    Language: Undetermined
    Pages: 1 Online-Ressource (276 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The present book contains the 10 articles finally accepted for publication in the Special Issue "Computational Optimizations for Machine Learning" of the MDPI journal Mathematics, which cover a wide range of topics connected to the theory and applications of machine learning, neural networks and artificial intelligence. These topics include, among others, various types of machine learning classes, such as supervised, unsupervised and reinforcement learning, deep neural networks, convolutional neural networks, GANs, decision trees, linear regression, SVM, K-means clustering, Q-learning, temporal difference, deep adversarial networks and more. It is hoped that the book will be interesting and useful to those developing mathematical algorithms and applications in the domain of artificial intelligence and machine learning as well as for those having the appropriate mathematical background and willing to become familiar with recent advances of machine learning computational optimization mathematics, which has nowadays permeated into almost all sectors of human life and activity
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    Performance-Based Design in Structural Fire Engineering (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036543406 , 9783036543390
    Language: Undetermined
    Pages: 1 Online-Ressource (208 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The performance-based design of structures in fire is gaining growing interest as a rational alternative to the traditionally adopted prescriptive code approach. This interest has led to its introduction in different codes and standards around the world. Although engineers widely use performance-based methods to design structural components in earthquake engineering, the adoption of such methods in fire engineering is still very limited. This Special Issue addresses this shortcoming by providing engineers with the needed knowledge and recent research activities addressing performance-based design in structural fire engineering, including the use of hotspot analysis to estimate the magnitude of risk to people and property in urban areas; simulations of the evacuation of large crowds; and the identification of fire effects on concrete, steel, and special structures
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    Stability Problems for Stochastic Models: Theory and Applications II (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036538150 , 9783036538167
    Language: Undetermined
    Pages: 1 Online-Ressource (240 p.)
    Keywords: Research & information: general ; Mathematics & science ; Probability & statistics
    Abstract: Most papers published in this Special Issue of Mathematics are written by the participants of the XXXVI International Seminar on Stability Problems for Stochastic Models, 21­25 June, 2021, Petrozavodsk, Russia. The scope of the seminar embraces the following topics: Limit theorems and stability problems; Asymptotic theory of stochastic processes; Stable distributions and processes; Asymptotic statistics; Discrete probability models; Characterization of probability distributions; Insurance and financial mathematics; Applied statistics; Queueing theory; and other fields. This Special Issue contains 12 papers by specialists who represent 6 countries: Belarus, France, Hungary, India, Italy, and Russia
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    The Statistical Foundations of Entropy (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036535579 , 9783036535586
    Language: Undetermined
    Pages: 1 Online-Ressource (182 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: In the last two decades, the understanding of complex dynamical systems underwent important conceptual shifts. The catalyst was the infusion of new ideas from the theory of critical phenomena (scaling laws, renormalization group, etc.), (multi)fractals and trees, random matrix theory, network theory, and non-Shannonian information theory. The usual Boltzmann-Gibbs statistics were proven to be grossly inadequate in this context. While successful in describing stationary systems characterized by ergodicity or metric transitivity, Boltzmann-Gibbs statistics fail to reproduce the complex statistical behavior of many real-world systems in biology, astrophysics, geology, and the economic and social sciences.The aim of this Special Issue was to extend the state of the art by original contributions that could contribute to an ongoing discussion on the statistical foundations of entropy, with a particular emphasis on non-conventional entropies that go significantly beyond Boltzmann, Gibbs, and Shannon paradigms. The accepted contributions addressed various aspects including information theoretic, thermodynamic and quantum aspects of complex systems and found several important applications of generalized entropies in various systems
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    Modern Problems of Mathematical Physics and Their Applications (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036534961 , 9783036534954
    Language: Undetermined
    Pages: 1 Online-Ressource (351 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: There are many applications of mathematical physics in several fields of basic science and engineering. Thus, we have tried to provide the Special Issue "Modern Problems of Mathematical Physics and Their Applications" to cover the new advances of mathematical physics and its applications. In this Special Issue, we have focused on some important and challenging topics, such as integral equations, ill-posed problems, ordinary differential equations, partial differential equations, system of equations, fractional problems, linear and nonlinear problems, fuzzy problems, numerical methods, analytical methods, semi-analytical methods, convergence analysis, error analysis and mathematical models. In response to our invitation, we received 31 papers from more than 17 countries (Russia, Uzbekistan, China, USA, Kuwait, Bosnia and Herzegovina, Thailand, Pakistan, Turkey, Nigeria, Jordan, Romania, India, Iran, Argentina, Israel, Canada, etc.), of which 19 were published and 12 rejected
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    Theoretical Computer Science and Discrete Mathematics (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036531779 , 9783036531762
    Language: Undetermined
    Pages: 1 Online-Ressource (257 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: This book includes 15 articles published in the Special Issue "Theoretical Computer Science and Discrete Mathematics" of Symmetry (ISSN 2073-8994). This Special Issue is devoted to original and significant contributions to theoretical computer science and discrete mathematics. The aim was to bring together research papers linking different areas of discrete mathematics and theoretical computer science, as well as applications of discrete mathematics to other areas of science and technology. The Special Issue covers topics in discrete mathematics including (but not limited to) graph theory, cryptography, numerical semigroups, discrete optimization, algorithms, and complexity
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    Geometrical Theory of Analytic Functions (2022)
    Basel : MDPI - Multidisciplinary Digital Publishing Institute
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    ISBN: 9783036524986 , 9783036524993
    Language: Undetermined
    Pages: 1 Online-Ressource (208 p.)
    Keywords: Research & information: general ; Mathematics & science
    Abstract: The book contains papers published in the Mathematics Special Issue, entitled "Geometrical Theory of Analytic Functions". Fifteen papers devoted to the study concerning complex-valued functions of one variable present new outcomes related to special classes of univalent functions, differential equations in view of geometric function theory, quantum calculus and its applications in geometric function theory, operators and special functions associated with differential subordination and superordination theories and starlikeness, and convexity criteria
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    MPI Ethno. Forsch.
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