龚坤,张忠辅,王建方.若干联图的均匀全染色[J].数学研究及应用,2008,28(4):823~828 |
若干联图的均匀全染色 |
Equitable Total Coloring of Some Join Graphs |
投稿时间:2006-11-13 修订日期:2007-03-23 |
DOI:10.3770/j.issn:1000-341X.2008.04.010 |
中文关键词: 均匀全染色 均匀全色数 联图 均匀边染色. |
英文关键词:equitable total coloring equitable total chromatic number join graph equitable edge coloring. |
基金项目:国家自然科学基金(No.10771091). |
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中文摘要: |
图$G(V,E)$的全色数 $\chi_{t}(G)$就是将$V\bigcup E$分成彼此不相交的全独立分割集的最小个数。 如果任何两个$V\bigcup E$的全独立分割集的元素数目相差不超过1,那么 $V \bigcup E$的全独立分割集的最小个数就称为图$G$的均匀全色数,记为$\chi_{et}(G)$。 在本文中我们给出了当 $m \geq n \geq 3$ 时 $W_m\bigvee K_n$,$F_m \bigvee K_n$及$S_m \bigvee K_n$ 的均匀全色数. |
英文摘要: |
The total chromatic number $\chi_{t}(G)$ of a graph $G(V,E)$ is the minimum number of total independent partition sets of $V \bigcup E$, satisfying that any two sets have no common element. If the difference of the numbers of any two total independent partition sets of $V \bigcup E$ is no more than one, then the minimum number of total independent partition sets of $V \bigcup E$ is called the equitable total chromatic number of $G$, denoted by $\chi_{et}(G)$. In this paper, we have obtained the equitable total chromatic number of $W_m \bigvee K_n$, $F_m \bigvee K_n$ and $S_m \bigvee K_n$ while $m \geq n \geq 3$. |
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