Tractable feedback vertex sets in restricted bipartite graphs

Authors:
Wei Jiang;Tian Liu;Ke Xu
Affiliations:
Ministry of Education, Institute of Software, Peking University, Beijing, China;Ministry of Education, Institute of Software, Peking University, Beijing, China;National Laboratory of Software Development Environment, Beihang University, Beijing, China
Venue:
COCOA'11 Proceedings of the 5th international conference on Combinatorial optimization and applications
Year:
2011

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Abstract

A feedback vertex set (FVS) is a subset of vertices whose removal renders the remaining graph a forest. We show that finding the minimum FVS is tractable in the so-called triad convex bipartite graphs.