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Albert Munyeshyaka

University of Rwanda

SCHOLARLY PAPERS

6

DOWNLOADS

286

TOTAL CITATIONS

0

Scholarly Papers (6)

Observational Analysis of Bulk Viscous Modified Chaplygin Gas in (2+1)-Dimensional Universe Using MCMC

Number of pages: 11 Posted: 12 Feb 2025
Symbiosis Institute of Technology, Nagpur, affiliation not provided to SSRN, University of Rwanda, GLA University and Damghan University
Downloads 58 (1,006,630)

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FRW Cosmology, Bulk Viscosity, Modified Chaplygin Gas, Hubble Data

Observational Analysis of Bulk Viscous Modified Chaplygin Gas in (2+1)-Dimensional Universe Using MCMC

Number of pages: 33 Posted: 12 Jul 2025
Symbiosis Institute of Technology, Nagpur, Jadavpur University, University of Rwanda, GLA University and Damghan University
Downloads 20 (1,513,226)

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FRW cosmology, bulk viscosity, modified Chaplygin gas, Hubble data

2.

Perturbations with Bulk Viscosity in Modified Chaplygin Gas Cosmology

Number of pages: 20 Posted: 29 Mar 2024
Albert Munyeshyaka, Praveen Kumar Dhankar and Joseph Ntahompagaze
University of Rwanda, Symbiosis Institute of Technology, Nagpur and affiliation not provided to SSRN
Downloads 55 (1,020,567)

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Bulk viscosity, Chaplygin gas, Covariant perturbations, Dark energy, Energy density

3.

Testing Gauss-Bonnet Gravity with DESI BAO Data

Number of pages: 12 Posted: 27 Oct 2025
University of Rwanda, Symbiosis Institute of Technology, Nagpur, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 43 (1,236,159)

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cosmology, Cosmic acceleration, dark energy, Gauss-Bonnet gravity

4.

Background and Perturbation Constraints on Power-Law and Exponential $f(G)$ Gravity Models from Recent Cosmological Observations

Number of pages: 27 Posted: 15 May 2026
University of Rwanda, Symbiosis Institute of Technology, Nagpur, affiliation not provided to SSRN, King Faisal University, Jadavpur University and Damghan University
Downloads 40 (1,500,778)

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$f(G)$ gravity, perturbation, Power law of $f(G)$, Data analysis, Deceleration parameter

5.

Matter Power Spectrum in a Power-Law F (G) Gravity

Number of pages: 19 Posted: 31 Jan 2025
Albert Munyeshyaka, Praveen Kumar Dhankar and Joseph Ntahompagaze
University of Rwanda, Symbiosis Institute of Technology, Nagpur and affiliation not provided to SSRN
Downloads 39 (1,196,171)

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Cosmology, cosmic acceleration, dark energy, dynamicalsystem, Gauss-Bonnet gravity

6.

Large scale structure and matter power spectrum in a power-law $f(Q)$ gravity

Number of pages: 29 Posted: 28 Mar 2026
University of Rwanda, Symbiosis Institute of Technology, Nagpur, affiliation not provided to SSRN and St. Theresa International College - Faculty of Education ( Mathematics)
Downloads 31 (1,359,097)

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dark energy, dynamical system, large-scale structure, $1+3$ formalism, modified gravity