Перегляд Symmetry, Integrability and Geometry: Methods and Applications, 2012, том 8, випуск за цей рік за автором "Speziale, S."

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Discrete Gravity Models and Loop Quantum Gravity: a Short Review

Dupuis, M.; Ryan, J.P.; Speziale, S. (Symmetry, Integrability and Geometry: Methods and Applications, 2012)

We review the relation between Loop Quantum Gravity on a fixed graph and discrete models of gravity. We compare Regge and twisted geometries, and discuss discrete actions based on twisted geometries and on the discretization ...
On the Relations between Gravity and BF Theories

Freidel, L.; Speziale, S. (Symmetry, Integrability and Geometry: Methods and Applications, 2012)

We review, in the light of recent developments, the existing relations between gravity and topological BF theories at the classical level. We include the Plebanski action in both self-dual and non-chiral formulations, their ...

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