We systematically review some standard issues and also the latest developments of
modified gravity in cosmology, emphasizing on inflation, bouncing cosmology and late-time …

A cosmological model with a specific form of the Hubble parameter is constructed in a flat
homogeneous, and isotropic background in the framework of f (R, T) gravity, where R is the …

We consider the scenario that the effective gravitational Lagrangian of a minimally coupled
scalar field at large curvatures is described by a rescaled Einstein-Hilbert gravity, with the …

In the context of a ghost free f (R, G) model, we present a non-singular cosmological
scenario in which the universe initially contracts through an ekpyrotic phase having a …

In this work we consider a cosmological scenario in which the Universe contracts initially
having a bouncing-like behavior, and accordingly after it bounces off, it decelerates …

In the context of a ghost free f (R, G) model, an extended matter bounce scenario is studied
where the form of the scale factor is given by a (t)=(a 0 t 2+ 1) n. The ghost free character of …

This chapter provides a review of the frameworks developed for cosmological perturbation
theory in loop quantum cosmology and applications to various models of the early universe …

The goal of this contribution is to present the properties of a class of quantum bouncing
models in which the quantum bounce originates from the Dirac canonical quantization of a …

This work explains how the presence of a Type-IV singularity (a mild singularity) can
influence the dynamics of a bouncing universe. In particular, we examine the bounce …

We propose a cosmological scenario in which the universe undergoes through a non-
singular bounce, and after the bounce, it decelerates having a matter-like dominated …