The Ponzano-Regge model and Reidemeister torsion

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The Ponzano-Regge model of three-dimensional quantum gravity is well-defined when the observables satisfy a certain condition involving the twisted cohomology. In this case, the partition function is defined in terms of the Reidemeister torsion. Some consequences for the special cases of planar graphs and knots are given.
4 pages. MG11 conference proceedings

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General Relativity and Quantum Cosmology, High Energy Physics - Theory, Geometric Topology, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/121767

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0612170
 http://arxiv.org/abs/gr-qc/0612170

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arXiv