2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64045A trivial bundle of regular connected invariant manifolds of a completely integrable Hamiltonian system can be provided with action-angle coordinates.3 pagesSymplectic GeometryMathematical PhysicsDynamical Systems37J35; 70H06Action-angle coordinates around a noncompact invariant manifold of a completely integrable Hamiltonian systemtext