2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77366Quasi-free endomorphisms of the CAR and CCR algebras are studied from the point of view of the theory of superselection sectors.111 pages, no figures; the author's PhD thesis in physicsOperator AlgebrasHigh Energy Physics - TheoryMathematical PhysicsFunctional Analysis46L05,81T05text