Semi-analytic approach to the background evolution of $$f\left(R\right)$$-gravity theories in the metric formalism
• Beethoven Santos
Beethoven Santos
Observatório Nacional Rio de Janeiro
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## Abstract

Context: ...
Aims: An approximation of the modified Friedmann equation in the metric $$f(R)$$-gravity context is proposed.
Methods: It is applied the Differential Transformation Method to obtain the approximation to the modified Friedmann equations.
Results: ...
Conclusions: ...