(r,s)-Fuzzy F-open sets and (r,s)-fuzzy F-closed spaces

M. Azab Abd-Allah, Kamal El-Saady and A. Ghareeb

Chaos, Solitons & Fractals, 2009, vol. 42, issue 2, 649-656

Abstract: In this paper, we introduce the concepts of (r,s)-fuzzy F-open and (r,s)-fuzzy F-closed sets in double fuzzy topological spaces. We used them to explain the notions of (r,s)-fuzzy F-closed spaces. Also, we give some characterization of (r,s)-fuzzy F-closeness in terms of fuzzy filterbasis.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:42:y:2009:i:2:p:649-656

DOI: 10.1016/j.chaos.2009.01.031

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