有向图上的图外拓扑

Q4 Mathematics
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引用次数: 0

摘要

本文在有向图G = (V,E)的顶点集合上定义了一个拓扑TGout,它没有孤立的顶点,称为图外拓扑。当图是局部有限时,T out G将是一个亚历山德罗夫拓扑,我们给出了最小基的一些特征。然后给出一些开集和闭集。研究了有向图之间的函数,以及图拓扑空间之间的函数和它们之间的关系。最后,对于强连通有向图,我们证明了拓扑空间(V,TGout)可以断开,但在其他情况下可以连接。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Out-graphic topology on directed graphs
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