2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66914Every unital nonselfadjoint operator algebra possesses canonical and functorial classes of faithful (even completely isometric) Hilbert space representations satisfying a double commutant theorem generalizing von Neumann's classical result. Examples and complementary results are given.17 pagesOperator AlgebrasFunctional Analysistext