2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77547The aim of this paper is to introduce and study the concept of a contra-semicontinuous function and further investigate the class of strongly $S$-closed spaces. We obtain some new decompositions of generalized continuous functions.12 pagesGeneral Topology54C08; 54C10; 54C05; 54H05text