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两类字典积图的Mycielski图的点可区别全染色

Vertex-distinguishing total colorings of the Mycielski's graphs of two classes of lexicographic product graphs
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摘要 研究了当G为n阶轮,或扇,或星时,字典积图G[H]的Mycielski图M(G[H])的点可区别全染色,其中n≥6且H为m阶简单图.得到了以下结果:①若H为m阶完全图,则M(G[H])的点可区别全色数为2mn;②若H为m阶路,其中m≥4,则M(G[H])的点可区别全色数为2(n-1)m+6. We study the vertex- distinguishing total colorings of the Mycielski' s graph M( G[H] ) of the lexicographic product graph G[H], where G is a wheel, or fan, or star with n vertices, n≥6, and H is a simple graph with m vertices. And we give the following results:① If H is a complete graph with m vertices, then the vertex - distinguishing total chromatic number of M( G[H] ) is 2ran ; ② If H is a path with m vertices, where m ≥ 4, then the vertex - distinguishing total chromatic number of M is 2(n-1)m +6.
出处 《福州大学学报(自然科学版)》 CAS CSCD 北大核心 2013年第5期823-827,共5页 Journal of Fuzhou University(Natural Science Edition)
基金 国家民委科研资助项目(10XB01) 中央高校基本科研业务专项资金资助项目(zyz 2012089)
关键词 字典积 MYCIELSKI图 点可区别 全染色 lexicographic product Mycielski' s graphs vertex - distinguishing total co!oring
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