2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62995We classify spectrum-preserving endomorphisms of stable continuous-trace C^*-algebras up to inner automorphism by a surjective multiplicative invariant taking values in finite dimensional vector bundles over the spectrum. Specializing to automorphisms, this gives a different approach to results of Phillips and Raeburn.11 PagesOperator Algebras46L05 (Primary) 46M20 (Secondary)text