2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/153579We give a criterion for the Demazure crystal $B_w(λ)$ defined by Kashiwara to have a tensor product structure. We study the $\sln$ symmetric tensor case, and see some Demazure characters are expressed using Kostka-Foulkes polynomials.16 pages, LaTeXQuantum Algebratext