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二面体群D_(2n)的4度正规Cayley图
引用本文:王长群,周志勇.二面体群D_(2n)的4度正规Cayley图[J].数学学报,2006,49(3):669-678.
作者姓名:王长群  周志勇
作者单位:[1]郑州大学系统科学与数学系,郑州450052 [2]河南省招生办公室科技信息处,郑州450002
基金项目:国家自然科学基金(10571013);河南省高等学校青年骨干教师资助计划及省教育厅项目(2003110001)
摘    要:设G是有限群,S是G的不包含单位元1的非空子集.定义群G关于S的 Cayley(有向)图X=Cay(G,S)如下:V(x)=G,E(X)={(g,sg)|g∈G,s∈S}. Cayley图X=Cay(G,S)称为正规的如果R(G)在它的全自同构群中正规.图X称为1-正则的如果它的全自同构群在它的弧集上正则作用.本文对二面体群D2n以Z22 为点稳定子的4度正规Cayley图进行了分类.

关 键 词:Cayley图  CI-图  正规Cayley图
文章编号:0583-1431(2006)02-0669-10
收稿时间:2003-11-08
修稿时间:2003-11-082005-05-30

One-Regularity of 4-Valent and Normal Cayley Graphs of Dihedral Groups
Chang Qun WANG.One-Regularity of 4-Valent and Normal Cayley Graphs of Dihedral Groups[J].Acta Mathematica Sinica,2006,49(3):669-678.
Authors:Chang Qun WANG
Institution:Department of Mathematics, Zhengzhou University, Zhengzhou 450052, P. R. China; Zhi Yong ZHOU Department of Science and Technology Information, Henan Higher Education Admission Offfice Zhengzhou 450002, P. R. China
Abstract:Let G be a finite group. A Cayley graph Cay(G, S) is said to be normal if R(G) is normal in its full automorphism group. We call a graph X one-regular if its full automorphism group acts regularly on its arcs. In this paper we classify the 4-valent, one-regular and normal Cayley graphs of dihedral groups D2n with vertex-stabilizer Z22.
Keywords:Cayley graph  CI-graph  normal Cayley graph
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