2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63912In this paper it is shown that every irreducible vertex algebra of countable dimension and every simple vertex operator algebra are nondegenerate in the sense of Etingof and Kazhdan.Latex, 11 pagesQuantum AlgebraSimple vertex operator algebras are nondegeneratetext