The vanishing of the contact invariant in the presence of torsion

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/146115We prove that the Ozsvath-Szabo contact invariant of a closed contact 3-manifold with positive Giroux torsion vanishes.6 pages, 1 figureGeometric TopologyThe vanishing of the contact invariant in the presence of torsiontext