2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166145We provide a lower bound for the uniform exponential growth rate of closed nonflat nonpositively curved 3-manifold groups. A detailed study of the uniform exponential growth rate of closed 3-manifold groups is also presented.6 pagesDifferential GeometryGroup Theory53A35; 57M05A gap property for the growth of closed 3-manifold groupstext