2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77390The aim of this paper is to continue the study of sg-compact spaces, a topological notion much stronger than hereditary compactness. We investigate the relations between sg-compact and $C_2$-spaces and the interrelations to hereditarily sg-closed sets.8 pagesGeneral Topology54D30, 54A05text