A characterization of chain probe graphs

被引:7
作者
Golumbic, Martin C. [1 ,3 ,4 ]
Maffray, Frederic [2 ]
Morel, Gregory
机构
[1] Univ Haifa, Caesarea Rothschild Inst & Dept Comp Sci, Haifa, Israel
[2] CNRS, Lab G SCOP, Grenoble, France
[3] Univ Haifa, Caesarea Rothschild Inst, IL-31999 Haifa, Israel
[4] Univ Haifa, Dept Comp Sci, IL-31999 Haifa, Israel
关键词
RECOGNITION;
D O I
10.1007/s10479-009-0584-6
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
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.
引用
收藏
页码:175 / 183
页数:9
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