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有向图字典式积的控制数(英文)

The Domination Number of Lexicographic Product of Digraphs
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摘要 令γ(D)表示有向图D的控制数并且令D_m[D_n]表示D_m和D_n的字典式积,其中有向图的点数为m,n≥2。文章首先给出任意两个有向图字典式积D_m[D_n]的控制数的下界,并且决定了有向图K_m[D_n];C_m[D_n];P_m[D_n]的控制数。 Let γ( D) denote the domination number of digraph D and let Dm[Dn]denote the lexicographic product of Dmand Dn,digraphs of order m,n ≥ 2. In this paper,we first give the lower bound of the domination number of Dm[Dn],and then determine the exact values of the domination number of digraphs: Km[Dn];Cm[Dn]; Pm[Dn].
作者 马红霞 刘娟
出处 《新疆师范大学学报(自然科学版)》 2016年第1期49-52,共4页 Journal of Xinjiang Normal University(Natural Sciences Edition)
基金 国家自然科学基金项目(61363020) 国家自然科学基金项目(11301450) 中国国家留学基金资助 新疆维吾尔自治区青年科技创新人才培养工程(2013731011)
关键词 控制数 字典式积 有向图 Domination number Lexicographic product Digraphs
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参考文献10

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