Geometric Embeddings Geometric Algorithms And Combinatorial Optimization
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Author |
: James Russell Lee |
Publisher |
: |
Total Pages |
: 524 |
Release |
: 2006 |
ISBN-10 |
: 0542825465 |
ISBN-13 |
: 9780542825460 |
Rating |
: 4/5 (65 Downloads) |
Synopsis Geometric Embeddings, Geometric Algorithms, and Combinatorial Optimization by : James Russell Lee
The present thesis is divided into two parts which address questions of both types (i.e. combinatorial data and geometric data, respectively), leading to new algorithms for a variety of well-known combinatorial problems, new connections between geometry and computer science, and new geometric and analytic information about some classical mathematical objects.
Author |
: Michel Marie Deza |
Publisher |
: Springer |
Total Pages |
: 580 |
Release |
: 2009-11-12 |
ISBN-10 |
: 9783642042959 |
ISBN-13 |
: 3642042953 |
Rating |
: 4/5 (59 Downloads) |
Synopsis Geometry of Cuts and Metrics by : Michel Marie Deza
Cuts and metrics are well-known objects that arise - independently, but with many deep and fascinating connections - in diverse fields: in graph theory, combinatorial optimization, geometry of numbers, combinatorial matrix theory, statistical physics, VLSI design etc. This book presents a wealth of results, from different mathematical disciplines, in a unified comprehensive manner, and establishes new and old links, which cannot be found elsewhere. It provides a unique and invaluable source for researchers and graduate students. From the Reviews: "This book is definitely a milestone in the literature of integer programming and combinatorial optimization. It draws from the Interdisciplinarity of these fields [...]. With knowledge about the relevant terms, one can enjoy special subsections without being entirely familiar with the rest of the chapter. This makes it not only an interesting research book but even a dictionary. [...] The longer one works with it, the more beautiful it becomes." Optima 56, 1997.
Author |
: Martin Grötschel |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 374 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9783642978814 |
ISBN-13 |
: 3642978819 |
Rating |
: 4/5 (14 Downloads) |
Synopsis Geometric Algorithms and Combinatorial Optimization by : Martin Grötschel
Historically, there is a close connection between geometry and optImization. This is illustrated by methods like the gradient method and the simplex method, which are associated with clear geometric pictures. In combinatorial optimization, however, many of the strongest and most frequently used algorithms are based on the discrete structure of the problems: the greedy algorithm, shortest path and alternating path methods, branch-and-bound, etc. In the last several years geometric methods, in particular polyhedral combinatorics, have played a more and more profound role in combinatorial optimization as well. Our book discusses two recent geometric algorithms that have turned out to have particularly interesting consequences in combinatorial optimization, at least from a theoretical point of view. These algorithms are able to utilize the rich body of results in polyhedral combinatorics. The first of these algorithms is the ellipsoid method, developed for nonlinear programming by N. Z. Shor, D. B. Yudin, and A. S. NemirovskiI. It was a great surprise when L. G. Khachiyan showed that this method can be adapted to solve linear programs in polynomial time, thus solving an important open theoretical problem. While the ellipsoid method has not proved to be competitive with the simplex method in practice, it does have some features which make it particularly suited for the purposes of combinatorial optimization. The second algorithm we discuss finds its roots in the classical "geometry of numbers", developed by Minkowski. This method has had traditionally deep applications in number theory, in particular in diophantine approximation.
Author |
: Martin Grötschel |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 374 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9783642782404 |
ISBN-13 |
: 364278240X |
Rating |
: 4/5 (04 Downloads) |
Synopsis Geometric Algorithms and Combinatorial Optimization by : Martin Grötschel
Since the publication of the first edition of our book, geometric algorithms and combinatorial optimization have kept growing at the same fast pace as before. Nevertheless, we do not feel that the ongoing research has made this book outdated. Rather, it seems that many of the new results build on the models, algorithms, and theorems presented here. For instance, the celebrated Dyer-Frieze-Kannan algorithm for approximating the volume of a convex body is based on the oracle model of convex bodies and uses the ellipsoid method as a preprocessing technique. The polynomial time equivalence of optimization, separation, and membership has become a commonly employed tool in the study of the complexity of combinatorial optimization problems and in the newly developing field of computational convexity. Implementations of the basis reduction algorithm can be found in various computer algebra software systems. On the other hand, several of the open problems discussed in the first edition are still unsolved. For example, there are still no combinatorial polynomial time algorithms known for minimizing a submodular function or finding a maximum clique in a perfect graph. Moreover, despite the success of the interior point methods for the solution of explicitly given linear programs there is still no method known that solves implicitly given linear programs, such as those described in this book, and that is both practically and theoretically efficient. In particular, it is not known how to adapt interior point methods to such linear programs.
Author |
: Csaba D. Toth |
Publisher |
: CRC Press |
Total Pages |
: 1928 |
Release |
: 2017-11-22 |
ISBN-10 |
: 9781498711425 |
ISBN-13 |
: 1498711421 |
Rating |
: 4/5 (25 Downloads) |
Synopsis Handbook of Discrete and Computational Geometry by : Csaba D. Toth
The Handbook of Discrete and Computational Geometry is intended as a reference book fully accessible to nonspecialists as well as specialists, covering all major aspects of both fields. The book offers the most important results and methods in discrete and computational geometry to those who use them in their work, both in the academic world—as researchers in mathematics and computer science—and in the professional world—as practitioners in fields as diverse as operations research, molecular biology, and robotics. Discrete geometry has contributed significantly to the growth of discrete mathematics in recent years. This has been fueled partly by the advent of powerful computers and by the recent explosion of activity in the relatively young field of computational geometry. This synthesis between discrete and computational geometry lies at the heart of this Handbook. A growing list of application fields includes combinatorial optimization, computer-aided design, computer graphics, crystallography, data analysis, error-correcting codes, geographic information systems, motion planning, operations research, pattern recognition, robotics, solid modeling, and tomography.
Author |
: Alfonso Bolívar Cevallos Manzano |
Publisher |
: |
Total Pages |
: 96 |
Release |
: 2016 |
ISBN-10 |
: OCLC:965315573 |
ISBN-13 |
: |
Rating |
: 4/5 (73 Downloads) |
Synopsis Approximation Algorithms for Geometric Dispersion by : Alfonso Bolívar Cevallos Manzano
Mots-clés de l'auteur: combinatorial optimization ; computational geometry ; approximation algorithms ; max-sumdispersion ; remote clique ; distances of negative type ; theory of embeddings ; convex programming ; local search ; core-sets.
Author |
: Jiri Matousek |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 491 |
Release |
: 2013-12-01 |
ISBN-10 |
: 9781461300397 |
ISBN-13 |
: 1461300398 |
Rating |
: 4/5 (97 Downloads) |
Synopsis Lectures on Discrete Geometry by : Jiri Matousek
The main topics in this introductory text to discrete geometry include basics on convex sets, convex polytopes and hyperplane arrangements, combinatorial complexity of geometric configurations, intersection patterns and transversals of convex sets, geometric Ramsey-type results, and embeddings of finite metric spaces into normed spaces. In each area, the text explains several key results and methods.
Author |
: Mark de Berg |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 544 |
Release |
: 2000 |
ISBN-10 |
: 3540656200 |
ISBN-13 |
: 9783540656203 |
Rating |
: 4/5 (00 Downloads) |
Synopsis Computational Geometry by : Mark de Berg
For students this motivation will be especially welcome.
Author |
: Chandra Chekuri |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 504 |
Release |
: 2005-08-08 |
ISBN-10 |
: 9783540282396 |
ISBN-13 |
: 3540282394 |
Rating |
: 4/5 (96 Downloads) |
Synopsis Approximation, Randomization and Combinatorial Optimization. Algorithms and Techniques by : Chandra Chekuri
This book constitutes the joint refereed proceedings of the 8th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX 2005 and the 9th International Workshop on Randomization and Computation, RANDOM 2005, held in Berkeley, CA, USA in August 2005. The volume contains 41 carefully reviewed papers, selected by the two program committees from a total of 101 submissions. Among the issues addressed are design and analysis of approximation algorithms, hardness of approximation, small space and data streaming algorithms, sub-linear time algorithms, embeddings and metric space methods, mathematical programming methods, coloring and partitioning, cuts and connectivity, geometric problems, game theory and applications, network design and routing, packing and covering, scheduling, design and analysis of randomized algorithms, randomized complexity theory, pseudorandomness and derandomization, random combinatorial structures, random walks/Markov chains, expander graphs and randomness extractors, probabilistic proof systems, random projections and embeddings, error-correcting codes, average-case analysis, property testing, computational learning theory, and other applications of approximation and randomness.
Author |
: Moses Charikar |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 636 |
Release |
: 2007-08-07 |
ISBN-10 |
: 9783540742074 |
ISBN-13 |
: 3540742077 |
Rating |
: 4/5 (74 Downloads) |
Synopsis Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques by : Moses Charikar
This book constitutes the joint refereed proceedings of the 10th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX 2007 and the 11th International Workshop on Randomization and Computation, RANDOM 2007, held in Princeton, NJ, USA, in August 2007. The 44 revised full papers presented were carefully reviewed and selected from 99 submissions. Topics of interest covered by the papers are design and analysis of approximation algorithms, hardness of approximation, small space and data streaming algorithms, sub-linear time algorithms, embeddings and metric space methods, mathematical programming methods, coloring and partitioning, cuts and connectivity, geometric problems, game theory and applications, network design and routing, packing and covering, scheduling, design and analysis of randomized algorithms, randomized complexity theory, pseudorandomness and derandomization, random combinatorial structures, random walks/Markov chains, expander graphs and randomness extractors, probabilistic proof systems, random projections and embeddings, error-correcting codes, average-case analysis, property testing, computational learning theory, and other applications of approximation and randomness.