2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135665We provide an affirmative answer to the Cr Closing Lemma, r>1, for a large class of flows defined on every closed surface.17 pagesDynamical Systems34D08, 34D30, 37C10, 37C20, 37C40, 37A05text