{"title":"论(Λ， θ)拓扑空间中的开集","authors":"C. Boonpok, C. Viriyapong","doi":"10.1080/25742558.2018.1461530","DOIUrl":null,"url":null,"abstract":"ABSTRACT This article deals with the notions of -open, -open, -open, -open, and -open sets. Several properties and the relationships between these concepts are discussed. Some characterizations of -extremally disconnected spaces and -hyperconnected spaces are investigated.","PeriodicalId":92618,"journal":{"name":"Cogent mathematics & statistics","volume":null,"pages":null},"PeriodicalIF":0.1000,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/25742558.2018.1461530","citationCount":"21","resultStr":"{\"title\":\"On (Λ, θ)-open sets in topological spaces\",\"authors\":\"C. Boonpok, C. Viriyapong\",\"doi\":\"10.1080/25742558.2018.1461530\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"ABSTRACT This article deals with the notions of -open, -open, -open, -open, and -open sets. Several properties and the relationships between these concepts are discussed. Some characterizations of -extremally disconnected spaces and -hyperconnected spaces are investigated.\",\"PeriodicalId\":92618,\"journal\":{\"name\":\"Cogent mathematics & statistics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.1000,\"publicationDate\":\"2018-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1080/25742558.2018.1461530\",\"citationCount\":\"21\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Cogent mathematics & statistics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/25742558.2018.1461530\",\"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":"Cogent mathematics & statistics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/25742558.2018.1461530","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATHEMATICS","Score":null,"Total":0}
ABSTRACT This article deals with the notions of -open, -open, -open, -open, and -open sets. Several properties and the relationships between these concepts are discussed. Some characterizations of -extremally disconnected spaces and -hyperconnected spaces are investigated.
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