RESEARCH
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On the stability and scalar perturbations growth in non-local extended gravity theories
Oral comunication

I. Ayuso, J. P. Mimoso, A. de la Cruz-Dombriz

Abstract
We will discuss some of the main issues of gravitational actions in the context of extended theories of gravity for Lagrangians whose argument is the inverse of the d'Alembertian acting on the scalar curvature. Finally, we shall present the detailed procedure in order to extract the density contrast equation in the multi-potential local picture and the reliability of the standard quasi-static limit.

Spanish-Portuguese Relativity Meeting
Lisboa, Portugal
2016 September

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Faculdade de Ciências da Universidade de Lisboa Universidade do Porto Faculdade de Ciências e Tecnologia da Universidade de Coimbra
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia