On the parameterized vertex cover problem for graphs with perfect matching

Abstract

A vertex cover of an n-vertex graph with perfect matching contains at least n/2 vertices. In this paper, we study the parameterized complexity of the problem vc-pm* that decides if a given graph with perfect matching has a vertex cover of size bounded by n/2 +k. We first present an algorithm of running time O*(4 k ) for a variation of the vertex cover… (More)
DOI: 10.1007/s11432-013-4845-2

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