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Geometric algorithms and combinatorial optimization

Auteur: Martin Grötschel; László Lovász; A Schrijver
Uitgever: Berlin ; New York : Springer-Verlag, ©1988.
Serie: Algorithms and combinatorics, 2.
Editie/Formaat:   Gedrukt boek : EngelsAlle edities en materiaalsoorten bekijken.
Samenvatting:
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 Nevertheless, we do not feel that the ongoing research has made this book outdated.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  Meer lezen...
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Aanvullende fysieke materiaalsoort: Online version:
Grötschel, Martin.
Geometric algorithms and combinatorial optimization.
Berlin ; New York : Springer-Verlag, ©1988
(OCoLC)625123472
Genre: Internetbron
Soort document Boek, Internetbron
Alle auteurs / medewerkers: Martin Grötschel; László Lovász; A Schrijver
ISBN: 038713624X 9780387136240 354013624X 9783540136248
OCLC-nummer: 17299859
Opmerkingen: Includes indexes.
Beschrijving: xii, 362 pages : illustrations ; 25 cm.
Inhoud: Mathematical preliminaries --
Complexity, oracles, and numerical computation --
Algorithmic aspects of convex sets: formulation of the problems --
The ellipsoid method --
Algorithms for convex bodies --
Diophantine approximation and basis reduction --
Rational polyhedra --
Combinatorial optimization: some basic examples --
Combinatorial optimization: a tour d'horizon --
Stable sets in graphs --
Submodular functions.
Serietitel: Algorithms and combinatorics, 2.
Verantwoordelijkheid: Martin Grötschel, László Lovász, Alexander Schrijver.
Meer informatie

Fragment:

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 Nevertheless, we do not feel that the ongoing research has made this book outdated.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.

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