2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77539By using cobordism theoretic arguments similar to those in the literature on positive scalar curvature metrics we prove the existence of contact structures on 5-dimensional spin manifolds whose fundamental group is a group of odd order (not divisible by 9) and finite cohomological period.16 pagesDifferential GeometrySymplectic Geometry57R15, 57R85, 53C15text