Extensions of closure spaces

Autor: D. Deses, A. de Groot-Van der Voorde, E. Lowen-Colebunders

Publikováno v: Applied General Topology, Vol 4, Iss 2, Pp 223-241 (2003)

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 satisfying the smallness axioms int

Externí odkaz: https://doaj.org/article/6fec103136ec43d484a2d0ab736fc17f

On complete objects in the category of T0 closure spaces

Autor: E. Lowen-Colebunders, Eraldo Giuli, D. Deses

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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Applied General Topology, Vol 4, Iss 1, Pp 25-34 (2003)

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 construct Cl0 of T0 closure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3b7c7ac5a3b78951b358f97139554ff

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