2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61650We prove that a biseparating map between spaces B(E), and some other Banach algebras, is automatically continuous and an algebra isomorphism.7 pages; no figuresOperator AlgebrasFunctional Analysis47L10 (Primary) 46H40, 46B28 (Secondary)text