2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/70176A short proof is given to Dixmier's 6'th problem for the Weyl algebra (and other algebras of Gelfand-Kirillov dimension which is less than 3 like rings of differential operators on smooth irreducible algebraic curves).33 pagesRings and AlgebrasRepresentation Theorytext