An O(n) Time Algorithm For Maximum Induced Matching In Bipartite Star123-free Graphs
Abstract
A matching in a graph is a set of edges no two of which share a common vertex. A matching M is an induced matching if no edge connects two edges of M. The problem of finding a maximum induced matching is known to be NP-hard in general and specifically for bipartite graphs. Lozin has been proposed an O(n3) time algorithm for this problem on the class of bipartite Star123,Sun4-free graphs. In this paper we improve and generalize this result in presenting a simple O(n) time algorithm for maximum induced matching problem in bipartite Star123-free graphs.
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