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List total coloring of pseudo-outerplanar graphs
被引:11
|作者:
Zhang, Xin
[1
]
机构:
[1] Xidian Univ, Dept Math, Xian 710071, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Pseudo-outerplanar graph;
List total coloring;
Structures;
PLANAR GRAPHS;
EDGE;
D O I:
10.1016/j.disc.2013.06.007
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
A graph is pseudo-outerplanar if each of its blocks has an embedding in the plane so that the vertices lie on a fixed circle and the edges lie inside the disk of this circle with each of them crossing at most one another. It is proved that every pseudo-outerplanar graph with maximum degree Delta >= 5 is totally (Delta + 1)-choosable. (C) 2013 Elsevier B.V. All rights reserved.
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页码:2297 / 2306
页数:10
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