2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63191These are notes for a course on contact manifolds and torus actions delivered at the summer school on Symplectic Geometry of Integrable Hamiltonian Systems at Centre de Recerca Matemàtica in Barcelona in July 2001. To be published by Birkhauser.Latex 2e, about 50 pagesSymplectic Geometrytext