Deses, D.; de Groot-Van der Voorde, A.; Lowen-Colebunders, E.(Universitat Politècnica de València, 2003-10-01)
[EN] A closure space X is a set endowed with a closure operator P(X) → P(X), satisfying the usual topological axioms, except finite additivity. A T1 closure extension Y of a closure space X induces a structure ϒ on X ...
Deses, D.; Giuli, Eraldo; Lowen-Colebunders, E.(Universitat Politècnica de València, 2003-04-01)
[EN] In this paper we present an example in the setting of closure spaces that fits in the general theory on “complete objects” as developed by G. C. L. Brümmer and E. Giuli. For V the class of epimorphic embeddings in the ...