2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124300In this paper, we present new concepts of Ann-categories, Ann-functors, and a transmission of the structure of categories based on Ann-equivalences. We build Ann-category of Pic-funtors and prove that each Ann-category can be faithfully embedded into an almost strictly Ann-category.11 pagesCategory Theory18D10 (Primary), 16E40 (Secondary)Introduction to Ann-categoriestext