The classical generalization of general relativity is considered as the gravitational alternative
for a unified description of the early-time inflation with late-time cosmic acceleration. The …

We review the recent literature on modified theories of gravity in the Palatini approach. After
discussing the motivations that lead to consider alternatives to Einstein's theory and to treat …

Energy conditions can play an important role in defining the cosmological evolution.
Specifically acceleration/deceleration of cosmic fluid, as well as the emergence of Big Rip …

Abstract The Einstein–Maxwell (or Einstein) system of field equations plays a substantial
role in the modeling of compact stars. Although due to its non-linearity getting an exact …

This work aims to study a charged compact star in the scenario of f (R) theory of gravity. We
use some matching condition of spherically symmetric space-time with Bardeen's model as …

We investigate the field equations of the conformally invariant models of gravity with
curvature-matter coupling, constructed in Weyl geometry, using the Palatini formalism. We …

In the Rastall gravity a non-minimal coupling between geometry and matter fields is
considered. Then the usual energy-momentum tensor conservation law is not valid. Here a …

This paper is devoted in the study of the hydrostatic equilibrium of stellar structure in the
framework of modified f (R, T) gravity theory that allows the non-conservation of energy …

We derive the field equations and the equations of motion for scalar fields and massive test
particles in modified theories of gravity with an arbitrary coupling between geometry and …

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