2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69824In the category of finitely generated modules over an artinian ring, we classify all the abelian exact subcategories closed under predecessors or, equivalently, all the split torsion pairs with torsion-free class closed under quotients.12 pagesRings and AlgebrasRepresentation Theorytext