2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217187This paper has been withdrawn by the author due to a mistake in one of the main lemmas.(Temporarily?) withdrawnProbabilityMathematical PhysicsDynamical Systems60G50; 60K37; 37A50Invariance Principle and recurrence for random walks in random environments with zero local drifttext