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math-ph2016
Einstein-Hilbert action with cosmological term from Chern-Simons gravity
N. L. González Albornoz, P. Salgado, G. Rubio +1
We propose a modification to the Lie algebra -expansion method. The modification is carried out by imposing a condition on the -expansion procedure, when the semigroup is giv…
hep-th2016
Generalized Galilean Algebras and Newtonian Gravity
N. L. González Albornoz, G. Rubio, P. Salgado +1
The non-relativistic versions of the generalized Poincaré algebras and generalized -Lorentz algebras are obtained. This non-relativistic algebras are called, generalized Galil…