A finiteness proof for the Lorentzian state sum spinfoam model for quantum general relativity

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We show that the normalized Lorentzian state sum is finite on any triangulation. It thus provides a candidate for a perturbatively finite quantum theory of general relativity in four dimensions with Lorentzian signature.
11 pages, 3 pictures

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/33867

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0104057
 http://arxiv.org/abs/gr-qc/0104057

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arXiv