Approximation
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The Design of Approximation Algorithms
Author | : David P. Williamson,David B. Shmoys |
Publsiher | : Cambridge University Press |
Total Pages | : 518 |
Release | : 2011-04-26 |
Genre | : Computers |
ISBN | : 0521195276 |
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Discrete optimization problems are everywhere, from traditional operations research planning problems, such as scheduling, facility location, and network design; to computer science problems in databases; to advertising issues in viral marketing. Yet most such problems are NP-hard. Thus unless P = NP, there are no efficient algorithms to find optimal solutions to such problems. This book shows how to design approximation algorithms: efficient algorithms that find provably near-optimal solutions. The book is organized around central algorithmic techniques for designing approximation algorithms, including greedy and local search algorithms, dynamic programming, linear and semidefinite programming, and randomization. Each chapter in the first part of the book is devoted to a single algorithmic technique, which is then applied to several different problems. The second part revisits the techniques but offers more sophisticated treatments of them. The book also covers methods for proving that optimization problems are hard to approximate. Designed as a textbook for graduate-level algorithms courses, the book will also serve as a reference for researchers interested in the heuristic solution of discrete optimization problems.
Diophantine Approximation
Author | : W.M. Schmidt |
Publsiher | : Springer |
Total Pages | : 312 |
Release | : 2009-02-05 |
Genre | : Mathematics |
ISBN | : 9783540386452 |
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"In 1970, at the U. of Colorado, the author delivered a course of lectures on his famous generalization, then just established, relating to Roth's theorem on rational approxi- mations to algebraic numbers. The present volume is an ex- panded and up-dated version of the original mimeographed notes on the course. As an introduction to the author's own remarkable achievements relating to the Thue-Siegel-Roth theory, the text can hardly be bettered and the tract can already be regarded as a classic in its field."(Bull.LMS) "Schmidt's work on approximations by algebraic numbers belongs to the deepest and most satisfactory parts of number theory. These notes give the best accessible way to learn the subject. ... this book is highly recommended." (Mededelingen van het Wiskundig Genootschap)
Stochastic Approximation
Author | : Vivek S. Borkar |
Publsiher | : Springer |
Total Pages | : 177 |
Release | : 2009-01-01 |
Genre | : Mathematics |
ISBN | : 9789386279385 |
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Geometric Approximation Algorithms
Author | : Sariel Har-Peled |
Publsiher | : American Mathematical Soc. |
Total Pages | : 378 |
Release | : 2011 |
Genre | : Computers |
ISBN | : 9780821849118 |
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Exact algorithms for dealing with geometric objects are complicated, hard to implement in practice, and slow. Over the last 20 years a theory of geometric approximation algorithms has emerged. These algorithms tend to be simple, fast, and more robust than their exact counterparts. This book is the first to cover geometric approximation algorithms in detail. In addition, more traditional computational geometry techniques that are widely used in developing such algorithms, like sampling, linear programming, etc., are also surveyed. Other topics covered include approximate nearest-neighbor search, shape approximation, coresets, dimension reduction, and embeddings. The topics covered are relatively independent and are supplemented by exercises. Close to 200 color figures are included in the text to illustrate proofs and ideas.
An Introduction to the Approximation of Functions
Author | : Theodore J. Rivlin |
Publsiher | : Courier Corporation |
Total Pages | : 164 |
Release | : 1981-01-01 |
Genre | : Mathematics |
ISBN | : 0486640698 |
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Mathematics of Computing -- Numerical Analysis.
Complexity and Approximation
Author | : Giorgio Ausiello,Pierluigi Crescenzi,Giorgio Gambosi,Viggo Kann,Alberto Marchetti-Spaccamela,Marco Protasi |
Publsiher | : Springer Science & Business Media |
Total Pages | : 536 |
Release | : 2012-12-06 |
Genre | : Computers |
ISBN | : 9783642584121 |
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This book documents the state of the art in combinatorial optimization, presenting approximate solutions of virtually all relevant classes of NP-hard optimization problems. The wealth of problems, algorithms, results, and techniques make it an indispensible source of reference for professionals. The text smoothly integrates numerous illustrations, examples, and exercises.
Multiscale Nonlinear and Adaptive Approximation
Author | : Ronald DeVore,Angela Kunoth |
Publsiher | : Springer Science & Business Media |
Total Pages | : 671 |
Release | : 2009-09-16 |
Genre | : Mathematics |
ISBN | : 9783642034138 |
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The book of invited articles offers a collection of high-quality papers in selected and highly topical areas of Applied and Numerical Mathematics and Approximation Theory which have some connection to Wolfgang Dahmen's scientific work. On the occasion of his 60th birthday, leading experts have contributed survey and research papers in the areas of Nonlinear Approximation Theory, Numerical Analysis of Partial Differential and Integral Equations, Computer-Aided Geometric Design, and Learning Theory. The main focus and common theme of all the articles in this volume is the mathematics building the foundation for most efficient numerical algorithms for simulating complex phenomena.
Approximation and Online Algorithms
Author | : Roberto Solis-Oba,Giuseppe Persiano |
Publsiher | : Springer |
Total Pages | : 278 |
Release | : 2012-03-26 |
Genre | : Computers |
ISBN | : 9783642291166 |
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This book constitutes the thoroughly refereed post-proceedings of the 9th International Workshop on Approximation and Online Algorithms, WAOA 2011, held in Saarbrücken, Germany, in September 2011. The 21 papers presented were carefully reviewed and selected from 48 submissions. The volume also contains an extended abstract of the invited talk of Prof. Klaus Jansen. The Workshop on Approximation and Online Algorithms focuses on the design and analysis of algorithms for online and computationally hard problems. Both kinds of problems have a large number of applications in a wide variety of fields. Topics of interest for WAOA 2011 were: algorithmic game theory, approximation classes, coloring and partitioning, competitive analysis, computational finance, cuts and connectivity, geometric problems, inapproximability results, mechanism design, network design, packing and covering, paradigms for design and analysis of approximation and online algorithms, parameterized complexity, randomization techniques and scheduling problems.