arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2012.02236math.CO
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有限群的幂图

Power Graphs of Finite Group

Amrita Acharyya, Allen Williams

摘要:

群的有向幂图是其顶点集是群的元素的图,如果$y$是$x$的幂,则具有从$x$到$y$的边。一个群的\textit{Power Graph}可以从有向幂图中通过对它的边进行定向而得到。本文讨论了有限群的幂图的团、圈、路和着色的性质。给出了循环群的幂图中最长有向路的一种构造方法,以及幂图中距离的一些结果。讨论了群的循环子群图,证明了它与幂图有许多共同的性质,包括独立数、完备性、洞数等,除了像平面性和哈密尔顿算子这样的少数例外。

英文摘要:

The Directed Power Graph of a group is a graph whose vertex set is the elements of the group, with an edge from $x$ to $y$ if $y$ is a power of $x$. The \textit{Power Graph} of a group can be obtained from the directed power graph by disorienting its edges. This article discusses properties of cliques, cycles, paths, and coloring in power graphs of finite groups. A construction of the longest directed path in power graphs of cyclic groups is given, along with some results on distance in power graphs. We discuss the cyclic subgroup graph of a group and show that it shares a remarkable number of properties with the power graph, including independence number, completeness, number of holes etc., with a few exceptions like planarity and Hamiltonian.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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