On the closure of the diagonal of a $T_1$-space

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dc.creatorColasante, Maria-Luisa
dc.creatorvan der Zypen, Dominic
dc.date2007-05-26
dc.date.accessioned2026-07-07T08:03:18Z
dc.date.available2026-07-07T08:03:18Z
dc.descriptionLet X be a topological space. The closure of Δ= {(x, x) : x \in X} in X \times X is a symmetric relation on X. We characterise those equivalence relations on an infinite set that arise as the closure of the diagonal with respect to a T_1-topology.
dc.description8 pages
dc.identifierhttps://arxiv.org/abs/0705.3877
dc.identifierhttp://arxiv.org/abs/0705.3877
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/129530
dc.subjectGeneral Topology
dc.subjectLogic
dc.subject54A99; 04A05
dc.titleOn the closure of the diagonal of a $T_1$-space
dc.typetext

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