2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/113968We determine the structure of category $\cO$ for the rational Cherednik algebra of $G(m,1,n)$ in the case where the $\KZ$ functor satisfies a condition called \emph{separating simples}. As a consequence, we show that the property of having exactly $N-1$ simple modules, where $N$ is the number of simple modules of $G(m,1,n)$, determines the Ariki-Koike algebra up to isomorphism.24 pages, new section addedRepresentation TheoryCombinatoricstext