Results 51 to 60 of about 104 (79)

A new approach to fuzzy bitopological spaces

Information Sciences, 2001
Corresponding to a given fuzzy bitopological space \((X,\tau_1,\tau_2)\), the author introduces a supra-fuzzy topology \(\tau_s\) which is generated by a supra-fuzzy closure operator [the author with \textit{A. Kandil} and \textit{A. A. Nouh}, Fuzzy Sets Syst. 74, No.
S A El-Sheikh
exaly   +2 more sources

Fuzzy quasi uniformities and fuzzy bitopological spaces

Fuzzy Sets and Systems, 1992
This paper considers bitopological spaces in fuzzy setting along with some separation axioms. The authors consider the previously introduced concept of quasi-uniformity and establish that a fuzzy bitopological space is fuzzy quasi-uniformizable if and only if it is pairwise completely regular.
Wu Congxin, Wu Jianrong
exaly   +2 more sources

Some properties of intuitionistic fuzzy bitopological spaces

The 6th International Conference on Soft Computing and Intelligent Systems, and The 13th International Symposium on Advanced Intelligence Systems, 2012
We introduce the concept of intuitionistic fuzzy bitopological spaces as a generalization of fuzzy bitopological spaces. Next, we introduce different types of open sets in intuitionistic fuzzy bitopological spaces, and investigate some of their basic properties.
Seok Jong Lee
exaly   +2 more sources

Strong and ultra separation axioms of fuzzy bitopological spaces

Fuzzy Sets and Systems, 1999
Given a fuzzy bitopological space \((X,\sigma_1,\sigma_2)\), fuzzy pairwise separation axioms \(\alpha.FPT_i\), \(S.FPT_i\), \(U.FPT_i\) \((i=0,1,2)\), \(\alpha.FPR_k\), \(S.FPR_k\), \(U.FPR_k\) \((k=2,3)\), \(\alpha.FPT_{j+1}\), \(S.FPT_{j +1}\), \(U.FPT_{j+1}\) \((j=2,3)\) are introduced. Defining these concepts, level bitopologies \(\ell_a(\tau_1)\),
A Kandil, S A El-Sheikh
exaly   +2 more sources

On separation axioms in fuzzy bitopological spaces

Fuzzy Sets and Systems, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
exaly   +3 more sources

On level spaces of fuzzy bitopological spaces

Soft Computing, 2022
M Kameswari, S A Mohiuddine, K Tamilvanan   +2 more
exaly   +2 more sources

Fuzzy separation axioms and fuzzy continuity in fuzzy bitopological spaces

Fuzzy Sets and Systems, 1994
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
M W Warner
exaly   +3 more sources

Semi-open sets and semi-continuity in fuzzy bitopological spaces

Fuzzy Sets and Systems, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
S. S. Thakur 0001, R. Malviya
exaly   +3 more sources

Operations and its applications on L-fuzzy bitopological spaces: Part I

Fuzzy Sets and Systems, 1999
The operations introduced by \textit{E. E. Kerre}, \textit{A. A. Nouh}, and \textit{A. Kandil} [J. Math. Anal. Appl. 180, No. 2, 325-341 (1993; Zbl 0805.54008)] are extended, using the notions of \(q\)-neighbourhoods and \(q\)-coincidence [\textit{Pu Pao-Ming} and \textit{Liu Ying-Ming}, ibid.
A Kandil
exaly   +2 more sources

ON FUZZY BITOPOLOGICAL SPACES IN ŠOSTAK'S SENSE

Communications of the Korean Mathematical Society, 2006
A A Ramadan, S E Abbas
exaly   +2 more sources