Functions, equivalence relations, quotient spaces and subsets in fuzzy set theory

Fuzzy sets

L. A. Zadeh · Information and Control · 1965 · 66.1K citations

L-fuzzy sets

Joseph A. Goguen · Journal of Mathematical Analysis and Applications · 1967 · 2.4K citations

Fuzzy topological spaces

C. L. Chang · Journal of Mathematical Analysis and Applications · 1968 · 2.3K citations

Fuzzy topological spaces and fuzzy compactness

R. Löwen · Journal of Mathematical Analysis and Applications · 1976 · 892 citations

Natural Sciences, Mathematics, Set Theory +10

Normality in fuzzy topological spaces

Bruce Hutton · Journal of Mathematical Analysis and Applications · 1975 · 306 citations

Natural Sciences, Mathematics, Set Theory +9