On the diffeomorphism commutators of lattice quantum gravity
classification
🌀 gr-qc
hep-lat
keywords
latticeconstraintsdiffeomorphismgravityquantumalgebraanomaliesarbitrary
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We show that the algebra of discretized spatial diffeomorphism constraints in Hamiltonian lattice quantum gravity closes without anomalies in the limit of small lattice spacing. The result holds for arbitrary factor-ordering and for a variety of different discretizations of the continuum constraints, and thus generalizes an earlier calculation by Renteln.
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