2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69740We use the injective envelope to study quasimultipliers of operator spaces. We prove that all representable operator algebra products that an operator space can be endowed with are induced by quasimultipliers. We obtain generalizations of the Banach-Stone theorem.Operator AlgebrasFunctional Analysis46L05 (Primary) 46A22, 46H25, 46M10, 47A20 (Secondary)text