Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2005-05-11
Gen.Rel.Grav.37:1689-1694,2005; Int.J.Mod.Phys.D14:2355-2360,2005
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
8 pages, one figure, fifth prize of the Gravity Research Foundation 2005 essay competition
Scientific paper
10.1142/S0218271805007917
We argue that recent developments in discretizations of classical and quantum gravity imply a new paradigm for doing research in these areas. The paradigm consists in discretizing the theory in such a way that the resulting discrete theory has no constraints. This solves many of the hard conceptual problems of quantum gravity. It also appears as a useful tool in some numerical simulations of interest in classical relativity. We outline some of the salient aspects and results of this new framework.
Gambini Rodolfo
Pullin Jorge
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