048. A new characterization for a topological space to be semi-T_1/2
Math. Journal: Comptes Rendus de L’Academie Bulgare de Sciences, Bulgaria. 54(2001), 5-6.
Authors: Caldas, M.
Abstract
A topological space $(X,\tau)$ is semi-$T_{1/2}$ if and only if, every subset of X is $\tau$-semi-closed.
Filed Under: 2001-2002
