{"title":"有向图上的图外拓扑","authors":"","doi":"10.28919/jmcs/8189","DOIUrl":null,"url":null,"abstract":",","PeriodicalId":36607,"journal":{"name":"Journal of Mathematical and Computational Science","volume":"105 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Out-graphic topology on directed graphs\",\"authors\":\"\",\"doi\":\"10.28919/jmcs/8189\",\"DOIUrl\":null,\"url\":null,\"abstract\":\",\",\"PeriodicalId\":36607,\"journal\":{\"name\":\"Journal of Mathematical and Computational Science\",\"volume\":\"105 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Mathematical and Computational Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.28919/jmcs/8189\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Mathematics\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Mathematical and Computational Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.28919/jmcs/8189","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Mathematics","Score":null,"Total":0}
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。