Topology Proceedings


This article deals with the coinitiality of topological spaces, a concept that generalizes the cofinality of a Boolean algebra as introduced by Sabine Koppelberg in [Boolean algebras as unions of chains of subalgebras, Algebra Universalis 7 (1977), no. 2, 195–203]. The compact spaces of countable coinitiality are characterized. This gives a new… (More)


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