On the feedback vertex set problem in permutation graphs

On the feedback vertex set problem in permutation graphs

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Article ID: iaor1999847
Country: United States
Volume: 52
Issue: 3
Start Page Number: 123
End Page Number: 129
Publication Date: Mar 1994
Journal: Information Processing Letters
Authors:
Keywords: computational analysis, programming: dynamic
Abstract:

Brandstat and Kratsch presented an O(n6) time algorithm for the minimum weight feedback vertex set problem in a permutation graph of n vertices and m edges. This result was recently improved to O(n.m.&mmacr;) by Brandstadt, where &mmacr; is the number of edges in the complement of G. In this paper, we employ a different dynamic programming scheme to reduce the time complexity to O(nm) for this problem in permutation graphs.

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