Copyright © 2011 A. M. Zahran and A. I. El-Maghrabi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The aim of this work is to introduce -operations on fuzzy topological spaces and to use them to study fuzzy generalized -closed sets and fuzzy generalized -open sets. Also, we introduce some characterizations and properties for these concepts. Finally we show that certain results of several publications
on the concepts of weakness and strength of fuzzy generalized closed sets are considered as corollaries of the results of this research.