AILLANE, WAFASypervisor: SAADAOUI, Khaeir2022-07-122022-07-122022-06-10http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/30140Topology is one the branches of mathematics that has great received importance . In this memory, we studied the type-2 of fuzzy topology generated by type-2 fuzzy relations by expanding type-1 fuzzy topology generated by type-1 fuzzy relations .enType-2 fuzzy sets, type-2 fuzzy relations, type-2 fuzzy topology, fuzzy topology generated by fuzzy relationThesis