On compactness with respect to semi-open sets
Maximilian Ganster, Dragan Janković, Ivan L. Reilly · Czech digital mathematics library · 1990
A bstract.This paper shows that semi-compactness of a topological space is equivalent to hereditary compactness of a larger space, namely the associated space of a-open subsets.This indicates the strength of the notion of semi-compactness.