2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/140272We show that every irreducible representation in the discrete automorphic spectrum of GL(n) admits a non vanishing mixed (Whittaker-symplectic) period integral. The analog local problem is a study of models first considered by Klyachko over a finite field. Locally, we show that for a p-adic field F every irreducible, unitary representation of GL(n,F) has a Klyachko model.22 pagesRepresentation TheoryNumber Theory22E50,11F67text