An Approximation Algorithm for the Minimum Co‐Path Set Problem

An Approximation Algorithm for the Minimum Co‐Path Set Problem

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Article ID: iaor20115150
Volume: 60
Issue: 4
Start Page Number: 969
End Page Number: 986
Publication Date: Aug 2011
Journal: Algorithmica
Authors: , ,
Keywords: approximation algorithms
Abstract:

We present an approximation algorithm for the problem of finding a minimum set of edges in a given graph G whose removal from G leaves a graph in which each connected component is a path. It achieves a ratio of 10 7 equ1 and runs in O(n 1.5) time, where n is the number of vertices in the input graph. The previously best approximation algorithm for this problem achieves a ratio of 2 and runs in O(n 2) time.

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