2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/201093After reviewing the covariant description of Hamiltonian dynamics, some applications are done to the non-relativistic isotropic three-dimensional harmonic oscillator, Rovelli's model, and SO(3,1) BF theories.13 pages, no figures, in VI Mexican School on Gravitation and Mathematical Physics, eds M. Alcubierre, J.L. Cervantes-Cota, and M. Montesinos (Bristol and Philadelphia: Institute of Physics Publishing, 2005)General Relativity and Quantum Cosmologytext