Szymanski, Andrzej A(Universitat Politècnica de València, 2022-04-01)
[EN] We discuss spaces and the Alexandroff duplicates of those spaces that admit a C-S embedding into the Cech-Stone compactification of a discrete space.
Cao, Jiling; Greenwood, Sina; Reilly, Ivan L.(Universitat Politècnica de València, 2001-10-01)
[EN] We investigate various classes of generalized closed sets of a topological space in a unified way by studying the notion of qr-closed sets. New characterizations of some existing classes of generalized closed sets and ...