2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173295We exhibit a family of *-isomorphisms mapping the CAR algebra onto its even subalgebra.3 pages, Latex, uses amssym.def and kluwer.sty, appears in Lett. Math. PhysMathematical PhysicsFunctional AnalysisHigh Energy Physics - Theorytext