output
20212026
most citedQuasiperiodic oscillations, weak field lensing and shadow cast around black holes in Symmergent gravity

73 citations

Showing astro-ph.COShow all

7 papers · 1 filter

astro-ph.CO2025★ 8 cited

Energy conditions in gravity

Y. Myrzakulov, O. Donmez, M. Koussour +3

We are experiencing a golden age of experimental cosmology, with exact and accurate observations being used to constrain various gravitational theories like never before. Alongside…

astro-ph.CO2024★ 10 cited

Signature flips in time-varying cosmological models with observational data

Yerlan Myrzakulov, M. Koussour, M. Karimov +1

In this study, we investigate signature flips within the framework of cosmological models featuring a time-varying vacuum energy term . Specifically, we consider the power-la…

astro-ph.CO2024★ 30 cited

Exploring late-time cosmic acceleration: A study of a linear cosmological model using observational data

A. Zhadyranova, M. Koussour, S. Bekkhozhayev +2

Understanding the evolution of dark energy poses a significant challenge in modern cosmology, as it is responsible for the universe's accelerated expansion. In this study, we focus…

astro-ph.CO2024★ 13 cited

Cosmological constraints on time-varying cosmological terms: A study of FLRW universe models with CDM cosmology

M. Koussour, N. Myrzakulov, J. Rayimbaev

This paper explores models of the FLRW universe that incorporate a time-varying cosmological term . Specifically, we assume a power-law form for the cosmological term as a fu…

astro-ph.CO2024★ 33 cited

Exploring accelerated expansion in the universe: A study of gravity with parameterized EoS and cosmological constraints

M. Koussour, N. Myrzakulov, J. Rayimbaev +2

The study conducted in this research paper utilizes the gravity, where represents non-metricity and represents the trace of the energy-momentum tensor, to investig…

astro-ph.CO2024★ 8 cited

Constraining Cosmological Parameters with Viscous Modified Chaplygin Gas and Generalized Cosmic Chaplygin Gas Models in Horava-Lifshitz Gravity: Utilizing Late-time Datasets

Sayani Maity, Himanshu Chaudhary, Ujjal Debnath +2

This study examines accelerated cosmic expansion using the Viscous Modified Chaplygin Gas (VMMG) and Generalized Cosmic Chaplygin Gas (GCCM) within Horava-Lifshitz gravity. Our aim…

astro-ph.CO2024★ 5 cited

Observational Constraints on the Parameters of Hořava-Lifshitz Gravity

Himanshu Chaudhary, Ujjal Debnath, Shibesh Kumar Jas Pacif +3

This study investigates the accelerated cosmic expansion within the Hořava-Lifshitz Model. To constrain the cosmological parameters of this model, we incorporate 17 Baryon Acoustic…