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AbstractIn General Relativity in Hamiltonian form, change has seemed to be missing, defined only asymptotically, or otherwise obscured at best, because the Hamiltonian is a sum of first-class...

article constrained Hamiltonian dynamics General Relativity problem of time quantum gravity Variational principles Spinors Geometric objects Lie derivatives Einstein–Dirac equations Nonlinear group realizations

Abstract: In General Relativity in Hamiltonian form, change has seemed to be missing, defined only asymptotically, or otherwise obscured at best, because the Hamiltonian is a sum of first-class constraints and a boundary term...

article constrained Hamiltonian dynamics General Relativity problem of time quantum gravity Variational principles Spinors Geometric objects Lie derivatives Einstein–Dirac equations Nonlinear group realizations