Hamiltonian Gauge Gravity Surveyor (HiGGS). Tools for Hamiltonian constraint, canonical and Dirac-Bergmann analysis of gravity theories with spacetime curvature and torsion.
A collection of notebooks made with Mathematica tensor algebra add-on xAct.
Hamiltonian Gauge Gravity Surveyor (HiGGS). Tools for Hamiltonian constraint, canonical and Dirac-Bergmann analysis of gravity theories with spacetime curvature and torsion.
Trace decomposition and irreducible decomposition of a tensor on a Riemannian or symplectic manifold.