2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/172557We determine when there exists a nonzero homomorphism between principal series representations of a complex semisimple Lie group. We also determines the existence of homomorphisms between twisted Verma modules.8 pagesRepresentation Theory22E47 (Primary); 17B10 (Secondary)On the existence of homomorphisms between principal series of complex semisimple Lie groupstext