Parameterized algorithm for 3-path vertex cover

09/07/2018

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by   Dekel Tsur, et al.

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In the 3-path vertex cover problem, the input is an undirected graph G and an integer k. The goal is to decide whether there is a set of vertices S of size at most k such that every path with 3 vertices in G contains at least one vertex of S. In this paper we give parameterized algorithm for 3-path cover whose time complexity is O^*(1.713^k). Our algorithm is faster than previous algorithms for this problem.