Saadi, Djazia2019-07-282019-07-282019http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/15995In this memory, we will study some characterizations of filters, ideals, fuzzy filters, fuzzy ideals, α-filters, α-ideals, prime filters and prime ideals of a fuzzy lattice. We will recall the notion of isomorphism between fuzzy lattices, also the converse image of a fuzzy prime filter will be characterized via an isomorphism.enFuzzy lattice, fuzzy filter, fuzzy ideal, α-filter, α-ideal, lattices homomorphism.Thesis