HAMILTONian circuits in chordal bipartite graphs

被引:97
|
作者
Muller, H [1 ]
机构
[1] UNIV JENA,FAK MATH & INFORMAT,D-07740 JENA,GERMANY
关键词
D O I
10.1016/0012-365X(95)00057-4
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The main result of this paper is the NP-completeness of the HAMILTONIAN CIRCUIT problem for chordal bipartite graphs. This is proved by a sophisticated reduction from SATISFIABILITY. As a corollary, HAMILTONIAN CIRCUIT is NP-complete for strongly chordal split graphs. On both classes the complexity of the HAMILTONIAN PATH problem coincides with the complexity of HAMILTONIAN CIRCUIT. Further, we show that HAMILTONIAN CIRCUIT is linear-time solvable for convex bipartite graphs.
引用
收藏
页码:291 / 298
页数:8
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