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Boulatov model

This is a particular model in (2+1)d gravity

• D. V. Boulatov, A model of three-dimensional lattice gravity, Modern Phys. Lett. A 7 (1992), no. 18, 1629–1646, MR94c:83039, doi

There is a similar reasoning in 3+1 d in

• Hirosi Ooguri, Topological lattice models in four dimensions, Modern Phys. Lett. A 7 (1992), no. 30, 2799–2810; MR93h:57031, doi

• Roberto De Pietri, Laurent Freidel, Kirill Krasnov, Carlo Rovelli, Barrett-Crane model from a Boulatov-Ooguri field theory over a homogeneous space, Nuclear Phys. B 574 (2000), no. 3, 785–806, arxiv/hep-th/9907154, MR2001f:83050, doi