Orthocompactness and semi-stratifiability in the density topology
Abstract
The density topology T is a topology on the real line, finer than the usual topology, having as its open sets the measurable subsets of R, which are of density 1 at each of their points. The aim of this paper is to determine which subsets of the density topology are semi-stratifiable, orthocompact and weakly hereditarily pseudocompact.
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