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gr-qc2003★ 9 cited
Covariant description of parametrized nonrelativistic Hamiltonian systems
Mauricio Mondragon, Merced Montesinos
The various phase spaces involved in the dynamics of parametrized nonrelativistic Hamiltonian systems are displayed by using Crnkovic and Witten's covariant canonical formalism. It…
gr-qc2003
The double role of Einstein's equations: as equations of motion and as vanishing energy-momentum tensor
Merced Montesinos
Diffeomorphism covariant theories with dynamical background metric, like gravity coupled to matter fields in the way expressed by Einstein-Hilbert's action or relativistic strings…