2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111385Standandard Hamiltonian mechanics in its homogeneous formulation is applied to the study of discontinuities representing rapid changes of Hamiltonians. Different formulations of Hamiltonian mechanics are reviewed. An original representation of a positive homogeneous Hamiltonian system by an outer oriented coisotropic submanifold of the phase space is proposed.17 pagesMathematical PhysicsDynamical SystemsSymplectic Geometry37J99; 70H45text