3875 search results - page 22 / 775 » Approximation algorithms for the 0-extension problem |
FOCS
2005
IEEE
15 years 3 months ago
2005
IEEE
In joint work with ´Eva Tardos in 1995, we asked whether it was possible to obtain a polynomial-time, polylogarithmic approximation algorithm for the disjoint paths problem in th...
STOC
2010
ACM
15 years 2 months ago
2010
ACM
We combine the work of Garg and K¨onemann, and Fleischer with ideas from dynamic graph algorithms to obtain faster (1 − ε)-approximation schemes for various versions of the mu...
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Voted
EOR
2006
14 years 9 months ago
2006
We introduce the two-stage stochastic maximum-weight matching problem and demonstrate that this problem is NP-complete. We give a factor 1 2 approximation algorithm and prove its ...
COCOA
2008
Springer
14 years 11 months ago
2008
Springer
This paper deals with approximation algorithms for the prize collecting generalized Steiner forest problem, defined as follows. The input is an undirected graph G = (V, E), a colle...
FSTTCS
2004
Springer
15 years 3 months ago
2004
Springer
Abstract Abstract. In this paper we improve the analysis of approximation algorithms based on semidefinite programming for the maximum graph partitioning problems MAX-k-CUT, MAX-k...