Adjacent vertex distinguishing total coloring of planar graphs with maximum degree 8
Adjacent vertex distinguishing total coloring of planar graphs with maximum degree 8
复制标题
最大度数为8的平面图的相邻顶点区分总着色
DOI:
10.1016/j.disc.2020.112014
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发表时间:
2020-10
影响因子:
0.8
通讯作者:
Yu Xiaowei
中科院分区:
文献类型:
--
作者:
Chang Yulin;Hu Jie;Wang Guanghui;Yu Xiaowei
Abstract A (proper) total-k-coloring ϕ: V (G)∪ E (G)→{1, 2,…, k} is called adjacent vertex distinguishing if C ϕ (u)≠ C ϕ (v) for each edge u v∈ E (G), where C ϕ (u) is the set of the color of u and the colors of all edges incident with u. We use χ a′′(G) to denote the smallest value k in such a coloring of G. Zhang et al.(2005) first introduced this coloring and conjectured that χ a′′(G)≤ Δ (G)+ 3 for every simple graph G. It is known that χ a′′(G)≤ Δ (G)+ 3 for every planar graph with Δ (G)≥ 9. In this paper, we succeed in proving the conjecture for every planar graph with Δ (G)≥ 8 by using Alon’s Combinatorial Nullstellensatz and discharging method.
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DOI:
10.1360/012011-359
发表时间:
2012-02
期刊:
--
影响因子:
--
作者:
Danjun Huang;Weifan Wang
通讯作者:
Danjun Huang;Weifan Wang
DOI:
10.1002/(sici)1097-0118(199905)31:1
发表时间:
1999-05
期刊:
J. Graph Theory
影响因子:
--
作者:
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通讯作者:
C. Bonnington;J. Širáň
影响因子:
1
作者:
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通讯作者:
Wang Weifan
DOI:
10.1057/jors.1977.45
发表时间:
1978-03
期刊:
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影响因子:
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作者:
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通讯作者:
E. Lloyd;J. Bondy;U. Murty
影响因子:
1
作者:
Chang Yulin;Ouyang Qiancheng;Wang Guanghui
通讯作者:
Wang Guanghui