2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73477An Auslander-Reiten formula for complexes of modules is presented. This formula contains as a special case the classical Auslander Reiten formula. The Auslander-Reiten translate of a complex is described explicitly, and various applications are discussed.14 pagesRepresentation TheoryRings and Algebras18E30; 18G10; 16G70text