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Noether Symmetries as a geometric criterion to select theories of gravity

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arxiv 1808.03484 v2 pith:VRJ3NL3A submitted 2018-08-10 gr-qc math-phmath.MP

Noether Symmetries as a geometric criterion to select theories of gravity

classification gr-qc math-phmath.MP
keywords gravitynoethertheoriescriteriongeometricselectsymmetriesaccount
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We review the {\it Noether Symmetry Approach} as a geometric criterion to select theories of gravity. Specifically, we deal with Noether Symmetries to solve the field equations of given gravity theories. The method allows to find out exact solutions, but also to constrain arbitrary functions in the action. Specific cosmological models are taken into account.

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