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A characterization of chain probe graphs

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  • Martin Golumbic
  • Frédéric Maffray
  • Grégory Morel

Abstract

A chain probe graph is a graph that admits an independent set S of vertices and a set F of pairs of elements of S such that G+F is a chain graph (i.e., a 2K 2 -free bipartite graph). We show that chain probe graphs are exactly the bipartite graphs that do not contain as an induced subgraph a member of a family of six forbidden subgraphs, and deduce an O(n 2 ) recognition algorithm. Copyright Springer Science+Business Media, LLC 2011

Suggested Citation

  • Martin Golumbic & Frédéric Maffray & Grégory Morel, 2011. "A characterization of chain probe graphs," Annals of Operations Research, Springer, vol. 188(1), pages 175-183, August.
  • Handle: RePEc:spr:annopr:v:188:y:2011:i:1:p:175-183:10.1007/s10479-009-0584-6
    DOI: 10.1007/s10479-009-0584-6
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