2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157619Henriques and Kamnitzer defined and studied a commutor for the category of crystals of a finite dimentional complex reductive Lie algebra. We show that the action of this commutor on highest weight elements can be expressed very simply using Kashiwara's involution on the Verma crystal.5 pagesQuantum AlgebraCombinatoricstext