Semi-θ-Open Sets and New Classes of Maps

In this paper, we introduce and study the concept of $r$-fuzzy regular semi open (closed) sets in smooth topological spaces. By using $r$-fuzzy regular semi open (closed) sets, we define a new fuzzy closure operator namely $r$-fuzzy regular semi interior (closure) operator. Also, we introduce fuzzy regular semi continuous and fuzzy regular semi irresolute mappings. Moreover, we investigate the ...

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some separation axioms via modified θ-open sets

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Journal title

Bulletin of the Iranian Mathematical Society

volume 31 issue No. 2

pages 37- 52

publication date 2011-01-22

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Keywords

Topological spaces qst-closed sets Semi-θ-Open Sets Quasi-irresolute maps Semi continuous maps

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