2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/116503We prove that a cohomology free flow on a manifold M fibers over a diophantine translation on the torus T b, where b is the first Betti number of M.4 pagesDynamical Systems37C15 (Primary) 37C40 (Secondary)Cohomology free systems and the first Betti numbertext