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gr-qc2007★ 24 cited
A New Class of Group Field Theories for 1st Order Discrete Quantum Gravity
Daniele Oriti, Tamer Tlas
Group Field Theories, a generalization of matrix models for 2d gravity, represent a 2nd quantization of both loop quantum gravity and simplicial quantum gravity. In this paper, we…
gr-qc2006★ 29 cited
Causality and matter propagation in 3d spin foam quantum gravity
Daniele Oriti, Tamer Tlas
In this paper we tackle the issue of causality in quantum gravity, in the context of 3d spin foam models. We identify the correct procedure for implementing the causality/orientati…