Mahmoud Hashim

most citedClustered unified dark sector cosmology: Background evolution and linear perturbations in light of observations

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physics.gen-ph2026

A Six-Parameter Teleparallel Cosmology Beyond $Λ$ CDM: Sign-Changing Torsional Dark Energy and Implications for $H_{0}$

Mohamed Bedair, Mahmoud Hashim, Jackson Levi Said +1

We investigate a particular case of the extended exponential infrared f(T) teleparallel gravity, in which the geometric sector naturally produces an effective dark-energy density t…

A Six-Parameter Teleparallel Cosmology Beyond ΛCDM: Sign-Changing Torsional Dark Energy and Implications for H0​

A Six-Parameter Teleparallel Cosmology Beyond $Λ$ CDM: Sign-Changing Torsional Dark Energy and Implications for $H_{0}$