2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98863We study the geometry of manifolds carrying symplectic pairs consisting of two closed 2-forms of constant ranks, whose kernel foliations are complementary. Using a variation of the construction of Boothby and Wang we build contact-symplectic and contact pairs from symplectic pairs.to appear in Transactions of the American Mathematical SocietySymplectic GeometryDifferential GeometryGeometric Topology53C15, 57R17, 57R30text