论文标题

在有限的Abelian群体上具有最高学位的一组匹配半开 - 合图的正态性

Normality of one-matching semi-Cayley graphs over finite abelian groups with maximum degree three

论文作者

Arezoomand, Majid, Ghasemi, Mohsen

论文摘要

如果将$ g $作为半胶状汽车组承认,两个尺寸相等的轨道,则据说$γ$是组$ g $的半开采图。我们说,如果$ g $是$ {\ rm aut}(γ)$的普通亚组,则$γ$是正常的。我们证明,在有限的Abelian组上,每个连接的不及物的单匹配的半搭扣图(最高)是正常的,并且表征了所有这些非正常图。

A graph $Γ$ is said to be a semi-Cayley graph over a group $G$ if it admits $G$ as a semiregular automorphism group with two orbits of equal size. We say that $Γ$ is normal if $G$ is a normal subgroup of ${\rm Aut}(Γ)$. We prove that every connected intransitive one-matching semi-Cayley graph, with maximum degree three, over a finite abelian group is normal and characterize all such non-normal graphs.

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