期刊
AFRIKA MATEMATIKA
卷 30, 期 7-8, 页码 1011-1024出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13370-019-00700-4
关键词
Somewhere dense set; S-limit point; SD-continuous map; Topological space
类别
In this paper, the authors continue studying more properties of somewhere dense sets. They derive some interesting results related to them such as the collection of all somewhere dense subsets of a strongly hyperconnected space (X, tau) forms a filter on X, and a topological space which contains at least two disjoint somewhere dense sets is an ST1-space. Then they introduce and study a concept of S-limit points of a soft set. Depending on somewhere dense and cs-dense sets, they also define and investigate various maps between topological spaces, namely SD-continuous, SD-irresolute, SD-open, SD-closed and SD-homeomorphism maps.
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