Geometric formulation for Palatini-Cartan gravity
This paper analyzes the four-dimensional Palatini-Cartan gravity model through various geometric-covariant formalisms, deriving its field equations, gauge symmetries, and Noether currents while employing multisymplectic, polysymplectic, and Dirac-Hamiltonian frameworks to characterize its momentum maps, constraint structures, and instantaneous Hamiltonian formulation.