Online Resource
Les Ulis : EDP Sciences
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Paris : CNRS Éditions
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The Hague : OAPEN Foundation
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Berlin : Knowledge Unlatched
ISBN:
9782759819522
Language:
English
Pages:
1 Online-Ressource (v, 262 Seiten)
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Illustrationen
Abstract:
Group action analysis developed and applied mainly by Louis Michel to the study of N-dimensional periodic lattices is the central subject of the book. Di erent basic mathematical tools currently used for the description of lattice geometry are introduced and illustrated through applications to crystal structures in two- and three-dimensional space, to abstract multi-dimensional lattices and to lattices associated with integrable dynamical systems. Starting from general Delone sets the authors turn to di erent symmetry and topological classi- cations including explicit construction of orbifolds for two- and three-dimensional point and space groups. Voronoï and Delone cells together with positive quadratic forms and lattice description by root systems are introduced to demonstrate alternative approaches to lattice geometry study. Zonotopes and zonohedral families of 2-, 3-, 4-, 5-dimensional lattices are explicitly visualized using graph theory approach.
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