Gallego Lupiáñez, Francisco2023-06-202023-06-2019980025-5165https://hdl.handle.net/20.500.14352/57496In this paper we study the invariance and the inverse invariance under fuzzy closed, fuzzy open, and various kinds of fuzzy perfect maps, of dierent properties of fuzzy topological spaces.engjournal articlehttp://www.emis.de/journals/MV/restricted access515.1TopologycategoriesGood extensionsFuzzy closedfuzzy open and fuzzy perfect mapsInvarianceTopología1210 Topología