296 search results - page 20 / 60 » Approximation Algorithms for Requirement Cut on Graphs |
APPROX
2010
Springer
14 years 11 months ago
2010
Springer
Abstract. We provide improved approximation algorithms for the minmax generalization problems considered by Du, Eppstein, Goodrich, and Lueker [1]. In min-max generalization proble...
104
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ALGORITHMICA
1998
14 years 9 months ago
1998
The dominatingset problemin graphs asks for a minimumsize subset of vertices with the followingproperty: each vertex is required to either be in the dominating set, or adjacent to...
IPCO
1993
14 years 11 months ago
1993
The survivable network design problem (SNDP) is to construct a minimum-cost subgraph satisfying certain given edge-connectivity requirements. The first polynomial-time approximati...
SIAMCOMP
2008
14 years 9 months ago
2008
We give an algorithm requiring O(c1/2 n) time to find an -optimal traveling salesman tour in the shortest-path metric defined by an undirected planar graph with nonnegative edgele...
STOC
2004
ACM
15 years 10 months ago
2004
ACM
We give a O( log n)-approximation algorithm for sparsest cut, edge expansion, balanced separator, and graph conductance problems. This improves the O(log n)-approximation of Leig...