Approximating minimum-cost connectivity problems

Guy Kortsarz; Zeev Nutov

doi:10.1201/9781420010749

Approximating minimum-cost connectivity problems

Guy Kortsarz, Zeev Nutov

Computer Science discipline

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

We survey approximation algorithms and hardness results for versions of the Generalized Steiner Network (GSN) probleminwhichwe seek tofind a low-cost subgraph (where the cost of a subgraph is the sum of the costs of its edges) that satisfies prescribed connectivity requirements. These problems include the following well-known problems: min-cost k-flow, min-cost spanning tree, traveling salesman, directed/undirected Steiner tree, Steiner forest, k-edge/node-connected spanning subgraph, and others.

Original language	English
Title of host publication	Handbook of Approximation Algorithms and Metaheuristics
Publisher	CRC Press
Pages	58-1-58-22
ISBN (Electronic)	9781420010749
ISBN (Print)	1584885505, 9781584885504
DOIs	https://doi.org/10.1201/9781420010749
State	Published - 1 Jan 2007

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© 2007 by Taylor & Francis Group, LLC.

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10.1201/9781420010749

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Approximating minimum-cost connectivity problems

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