A definition of the Ponzano-Regge quantum gravity model in terms of surfaces

Details A definition of the Ponzano-Regge quantum gravity model in terms of surfaces A definition of the Ponzano-Regge quantum gravity model in terms of surfaces

1995-05-23

arxiv.org/abs/gr-qc/9505043v2

J.Math.Phys. 36 (1995) 6288-6298

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

latex 14 pages (10 pages of text, 4 pages of figures), 4 epsfig figures, University of Pittsburgh preprint. No change has been

Scientific paper

10.1063/1.531245

We show that the partition function of the Ponzano-Regge quantum gravity
model can be written as a sum over surfaces in a $(2+1)$ dimensional
space-time. We suggest a geometrical meaning, in terms of surfaces, for the
(regulated) divergences that appear in the partition function.

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