A Combinatorial Algorithm for Minimum Weighted Colorings of Claw-Free Perfect Graphs

被引：0
|
作者：
Xueliang Li
Wenan Zang
机构：
[1] Nankai University,Center for Combinatorics
[2] University of Hong Kong,Department of Mathematics
来源：
Journal of Combinatorial Optimization | 2005年 / 9卷
关键词：
perfect graph; graph coloring; network flow; algorithm; complexity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present an O(n5) combinatorial algorithm for the minimum weighted coloring problem on claw-free perfect graphs, which was posed by Hsu and Nemhauser in 1984. Our algorithm heavily relies on the structural descriptions of claw-free perfect graphs given by Chavátal and Sbihi and by Maffray and Reed.
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页码：331 / 347
页数：16
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