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paper

3D Lorentzian Quantum Gravity from the asymmetric ABAB matrix model

arXiv:hep-th/0311072

Abstract

The asymmetric ABAB-matrix model describes the transfer matrix of three-dimensional Lorentzian quantum gravity. We study perturbatively the scaling of the ABAB-matrix model in the neighbourhood of its symmetric solution and deduce the associated renormalization of three-dimensional Lorentzian quantum gravity.

21 pages, typo in references corrected