35 citations · 200 across the 10 of their papers we have counts for
10 papers
Testing the viability of gravity models via effective equation of state constraints
M. Koussour, O. Donmez, S. Bekov +3
This paper rigorously examines the potential of the theory as a promising framework for understanding the dark sector of the universe, particularly in relation…
Bulk viscous matter in gravity: A path to cosmic acceleration
Kairat Myrzakulov, O. Donmez, M. Koussour +3
In this paper, we investigate the effects of varying bulk viscosity coefficients on cosmic evolution within the framework of teleparallel gravity. We foc…
Observational analysis of late-time acceleration in gravity
Kairat Myrzakulov, M. Koussour, O. Donmez +3
In this study, we explored late-time cosmology within an extended class of theories based on gravity. This theory generalizes gravity by incorporating a non-mini…
Constraints on anisotropic properties of the universe in gravity theory
A. Zhadyranova, M. Koussour, V. Zhumabekova +3
Motivated by anomalies in cosmic microwave background observations, we investigate the implications of gravity in Bianchi type-I spacetime, aiming to characterize the uni…
Late-time cosmology in gravity: Analytical solutions and observational fits
Yerlan Myrzakulov, O. Donmez, M. Koussour +3
In this study, we examined the late-time cosmic expansion of the universe within the framework of gravity, where denotes the non-metricity and represents th…
Observational constraints on the equation of state of viscous fluid in gravity
M. Koussour, A. Altaibayeva, S. Bekov +3
In this paper, we investigate a cosmological model based on viscous gravity as a potential alternative to dark energy. This model incorporates bulk viscosity and is analyz…
Constraining gravity with bulk viscosity
Y. Myrzakulov, O. Donmez, M. Koussour +3
We investigate the influence of bulk viscosity on late-time cosmic acceleration within an extended gravity framework, where the non-metricity is non-minimally coupl…
The comparison of alternative spacetimes using the spherical accretion around the black hole
Orhan Donmez
In the region where the gravitational field is strong, we have examined the influence of different gravities on the accretion disk formed due to spherical accretion. To achieve thi…
Constraints on bulk viscosity in gravity from H(z)/Pantheon+ data
M. Koussour, Abdelghani Errehymy, O. Donmez +4
In this study, we investigate the role of bulk viscosity in gravity in explaining late-time cosmic acceleration. This model, an extension of symmetric teleparallel gravity…
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…