2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115453We analyze the geometry of the Ext-quiver of a coalgebra $C$ in order to study the behavior of simple and injective $C$-comodules under the action of the functors associated to a localizing subcategory of the category of $C$-comodules.23 pagesRings and AlgebrasRepresentation Theory18E35, 16W30text