Abstract

In this paper we study the invariance and the inverse invariance under fuzzy closed, fuzzy open, and various kinds of fuzzy perfect maps, of different properties of fuzzy topological spaces.

Keywords: Topology; categories; good extensions; fuzzy closed, fuzzy open and fuzzy perfect maps; invariance.

MSC: 54A40, 04A72

Pages:  11$-$16     

Volume  50 ,  Issue  1$-$2 ,  1998