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Using the Borsuk-Ulam Theorem / Lectures on Topological Methods in Combinatorics and Geometry, Matousek Jiri, Björner A., Ziegler G.M.


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Àâòîð: Matousek Jiri, Björner A., Ziegler G.M.
Íàçâàíèå:  Using the Borsuk-Ulam Theorem / Lectures on Topological Methods in Combinatorics and Geometry
Ïåðåâîä íàçâàíèÿ: Ïðèìåíåíèÿ òåîðåìû Áîðñóêà-Óëàìà
ISBN: 9783540003625
Èçäàòåëüñòâî: Springer
Êëàññèôèêàöèÿ:



ISBN-10: 3540003622
Îáëîæêà/Ôîðìàò: Paperback
Ñòðàíèöû: 226
Âåñ: 0.40 êã.
Äàòà èçäàíèÿ: 01.04.2003
Ñåðèÿ: Universitext
ßçûê: English
Èçäàíèå: Softcover reprint of
Èëëþñòðàöèè: Bibliography, index
Ðàçìåð: 232 x 158 x 14
×èòàòåëüñêàÿ àóäèòîðèÿ: Postgraduate, research & scholarly
Ïîäçàãîëîâîê: Lectures on topological methods in combinatorics and geometry
Ññûëêà íà Èçäàòåëüñòâî: Link
Ðåéòèíã:
Ïîñòàâëÿåòñÿ èç: Ãåðìàíèè
Îïèñàíèå: A number of important results in combinatorics, discrete geometry, and theoretical computer science have been proved using algebraic topology. While the results are quite famous, their proofs are not so widely understood. They are scattered in research papers or outlined in surveys, and they often use topological notions not commonly known among combinatorialists or computer scientists.This book is the first textbook treatment of a significant part of such results. It focuses on so-called equivariant methods, based on the Borsuk-Ulam theorem and its generalizations. The topological tools are intentionally kept on a very elementary level (for example, homology theory and homotopy groups are completely avoided). No prior knowledge of algebraic topology is assumed, only a background in undergraduate mathematics, and the required topological notions and results are gradually explained. This text started with a one-semester graduate course the author taught in fall 1993 in Prague. The transcripts of the lectures by the participants served as a basis of the first version. Some years later, a course partially based on that text was taught by Günter M. Ziegler in Berlin. The book is based on a thoroughly rewritten version prepared during a pre-doctoral course the author taught at the ETH Zurich in fall 2001.Most of the material was covered in the course: Chapter 1 was assigned as an introductory reading text, and the other chapters were presented in approximately 30 hours of teaching (by 45 minutes), with some omissions throughout and with only a sketchy presentation of the last chapter.
Äîïîëíèòåëüíîå îïèñàíèå: Ôîðìàò: 235x155
Êðóã ÷èòàòåëåé:  Researchers, graduate and undergraduate students in Combinatorics and Combinatorial Geometry,  Algebraic Topology and  Theoretical Computer Science
Êëþ÷åâûå ñëîâà: Combinatorics
applications of algebraic topology
discrete geometry
ßçûê: eng
Îãëàâëåíèå: Preliminaries.- 1 Simplicial Complexes: 1.1 Topological spaces; 1.2 Homotopy equivalence and homotopy; 1.3 Geometric simplicial complexes; 1.4 Triangulations; 1.5 Abstract simplicial complexes; 1.6 Dimension of geometric realizations; 1.7 Simplicial complexes and posets.- 2 The Borsuk-Ulam Theorem: 2.1 The Borsuk-Ulam theorem in various guises; 2.2 A geometric proof; 2.3 A discrete version: Tucker's lemma; 2.4 Another proof of Tucker's lemma.- 3 Direct Applications of Borsuk--Ulam: 3.1 The ham sandwich theorem; 3.2 On multicolored partitions and necklaces; 3.3 Kneser's conjecture; 3.4 More general Kneser graphs: Dolnikov's theorem; 3.5 Gale's lemma and Schrijver's theorem.- 4 A Topological Interlude: 4.1 Quotient spaces; 4.2 Joins (and products); 4.3 k-connectedness; 4.4 Recipes for showing k-connectedness; 4.5 Cell complexes.- 5 Z_2-Maps and Nonembeddability: 5.1 Nonembeddability theorems: An introduction; 5.2 Z_2-spaces and Z_2-maps; 5.3 The Z_2-index; 5.4 Deleted products good ...; 5.5 ... deleted joins better; 5.6 Bier spheres and the Van Kampen-Flores theorem; 5.7 Sarkaria's inequality; 5.8 Nonembeddability and Kneser colorings; 5.9 A general lower bound for the chromatic number.- 6 Multiple Points of Coincidence: 6.1 G-spaces; 6.2 E_nG spaces and the G-index; 6.3 Deleted joins and deleted products; 6.4 Necklace for many thieves; 6.5 The topological Tverberg theorem; 6.6 Many Tverberg partitions; 6.7 Z_p-index, Kneser colorings, and p-fold points; 6.8 The colored Tverberg theorem.- A Quick Summary.- Hints to Selected Exercises.- Bibliography.- Index.




Topological Methods in Hydrodynamics

Àâòîð: Arnold
Íàçâàíèå: Topological Methods in Hydrodynamics
ISBN: 038794947X ISBN-13(EAN): 9780387949475
Èçäàòåëüñòâî: Springer
Ðåéòèíã:
Öåíà: 18167.00 ð.
Íàëè÷èå íà ñêëàäå: Åñòü ó ïîñòàâùèêà Ïîñòàâêà ïîä çàêàç.

Îïèñàíèå: Topological hydrodynamics is a young branch of mathematics studying topological features of flows with complicated trajectories, as well as their applications to fluid motions. It is situated at the crossroad of hyrdodynamical stability theory, Riemannian and symplectic geometry, magnetohydrodynamics, theory of Lie algebras and Lie groups, knot theory, and dynamical systems. Applications of this approach include topological classification of steady fluid flows, descriptions of the Korteweg-de Vries equation as a geodesic flow, and results on Riemannian geometry of diffeomorphism groups, explaining, in particular, why longterm dynamical weather forecasts are not reliable.

Topological Methods in Hydrodynamics is the first monograph to treat topological, group-theoretic, and geometric problems of ideal hydrodynamics and magnetohydrodynamics for a unified point of view. T e necessary preliminary notions both in hydrodynamics and pure mathematics are described with plenty of examples and figures. The book is accessible to graduate students as well as to both pure and applied mathematicians working in the fields of hydrodynamics, Lie groups, dynamical systems and differential geometry.

Discrete Geometry, Combinatorics and Graph Theory

Àâòîð: Jin Akiyama; William Y.C. Chen; Mikio Kano; Xuelia
Íàçâàíèå: Discrete Geometry, Combinatorics and Graph Theory
ISBN: 3540706658 ISBN-13(EAN): 9783540706656
Èçäàòåëüñòâî: Springer
Ðåéòèíã:
Öåíà: 9781.00 ð.
Íàëè÷èå íà ñêëàäå: Åñòü ó ïîñòàâùèêà Ïîñòàâêà ïîä çàêàç.

Îïèñàíèå: This book constitutes the thoroughly refereed post-proceedings of the 7th China-Japan Conference on Discrete Geometry, Combinatorics and Graph Theory, CJCDGCGT 2005, held in Tianjin, China, as well as in Xi`an, China, in November 2005. The 30 revised full papers address all current issues in discrete algorithmic geometry, combinatorics and graph theory.

Geometric, Algebraic and Topological Methods for Quantum Fie

Àâòîð: Cardona Alexander
Íàçâàíèå: Geometric, Algebraic and Topological Methods for Quantum Fie
ISBN: 9814460044 ISBN-13(EAN): 9789814460040
Èçäàòåëüñòâî: World Scientific Publishing
Ðåéòèíã:
Öåíà: 21226.00 ð.
Íàëè÷èå íà ñêëàäå: Åñòü ó ïîñòàâùèêà Ïîñòàâêà ïîä çàêàç.

Îïèñàíèå: Based on lectures held at the 7th Villa de Leyva summer school, this book presents an introduction to topics of current interest in the interface of geometry, topology and physics. It is aimed at graduate students in physics or mathematics with interests in geometric, algebraic as well as topological methods and their applications to quantum field theory.This volume contains the written notes corresponding to lectures given by experts in the field. They cover current topics of research in a way that is suitable for graduate students of mathematics or physics interested in the recent developments and interactions between geometry, topology and physics. The book also contains contributions by younger participants, displaying the ample range of topics treated in the school. A key feature of the present volume is the provision of a pedagogical presentation of rather advanced topics, in a way which is suitable for both mathematicians and physicists.

Topological Methods in Data Analysis and Visualization

Àâòîð: Pascucci
Íàçâàíèå: Topological Methods in Data Analysis and Visualization
ISBN: 3642150136 ISBN-13(EAN): 9783642150135
Èçäàòåëüñòâî: Springer
Ðåéòèíã:
Öåíà: 20263.00 ð.
Íàëè÷èå íà ñêëàäå: Åñòü ó ïîñòàâùèêà Ïîñòàâêà ïîä çàêàç.

Îïèñàíèå: Topology-based methods are of increasing importance in the analysis and visualization of datasets from a wide variety of scientific domains such as biology, physics, engineering, and medicine. Current challenges of topology-based techniques include the management of time-dependent data, the representation of large and complex datasets, the characterization of noise and uncertainty, the effective integration of numerical methods with robust combinatorial algorithms, etc. . The editors have brought together the most prominent and best recognized researchers in the field of topology-based data analysis and visualization for a joint discussion and scientific exchange of the latest results in the field. This book contains the best 20 peer-reviewed papers resulting from the discussions and presentations at the third workshop on Topological Methods in Data Analysis and Visualization , held 2009 in Snowbird, Utah, US. The 2009 TopoInVis workshop follows the two successful workshops in 2005 (Slovakia) and 2007 (Germany).

Problem-solving Methods in Combinatorics

Àâòîð: Soberon Bravo Pablo
Íàçâàíèå: Problem-solving Methods in Combinatorics
ISBN: 3034805969 ISBN-13(EAN): 9783034805964
Èçäàòåëüñòâî: Springer
Ðåéòèíã:
Öåíà: 9083.00 ð.
Íàëè÷èå íà ñêëàäå: Åñòü ó ïîñòàâùèêà Ïîñòàâêà ïîä çàêàç.

Îïèñàíèå: Yearly math olympiads include at least one combinatrics problem. This book reviews problem-solving techniques for tackling such problems, with examples from recent contests. Includes problems for each topic, with hints and full solutions for reader practice.


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