Vertex coloring of comparability +ke and -ke graphs

被引：0
|
作者：
Takenaga, Yasuhiko [1 ]
Higashide, Kenichi [1 ]
机构：
[1] Univ Electrocommun, Chofu, Tokyo 182, Japan
来源：
GRAPH-THEORETIC CONCEPTS IN COMPUTER SCIENCE | 2006年 / 4271卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
F + ke and T - ke graphs are classes of graphs close to graphs in a graph class T. They are the classes of graphs obtained by adding or deleting at most k edges from a graph in T. In this paper, we consider vertex coloring of comparability+ke and comparability-ke graphs. We show that for comparability+ke graphs, vertex coloring is solved in polynomial time for k = 1 and NP-complete for k >= 2. We also show that vertex coloring of comparability-1e graphs is solved in polynomial time.
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页码：102 / +
页数：2
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