学科分类
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1 个结果
  • 简介:LetSbelongtoZn-{0}.ThecirculantdigraphDCn(S)isadirectedgraphwithvertexsetZnandareset{(i,i+s):i∈Zn,s∈S},A.AdamconjecturedthatDCn(S)≌DCn(T)ifandonlyifT=uSforsomeunitumodn.InthispaperweprovethattheconjectureistrueifSisaminimalgeneratingsetofZnandthusdeterminethefullautomorphismgroupsofsuchdigraphs.Themethodsweemployarenewandeasytobeunderstood.

  • 标签: 有向循环图 自同构 图论 最小退化集