VertexCoverByMatching

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Removed: 12,13d11
* [A primal-dual parallel approximation technique applied to weighted set and vertex cover] - a parallel/distributed algorithm.
VERTEX-COVER: Given an undirected graph G=(V,E), find a minimum-size set of vertices such that every edge has some vertex in the set.

2-approximation algorithm for vertex cover

  1. Find a maximal matching and output the set of matched vertices

thm 1.3 in text: The above algorithm is a 2-approximation algorithm for vertex cover.

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Last edited January 24, 2004 3:06 pm by NealYoung (diff)
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