3 papers
astro-ph.CO2026
Kosmulator: A Python framework for cosmological inference with MCMC
Renier T. Hough, Robert Rugg, Shambel Sahlu +1
We present Kosmulator, a modular and vectorised Python framework designed to accelerate the statistical testing of cosmological models. As the theoretical landscape expands beyond…
gr-qc2025
Implementing F (T ) Gravity in Boltzmann Codes: A Framework for Power Spectrum Computation
Robert Rugg, Shambel Akalu, Amare Abebe
This work investigates the nonlinearity of the power-law model of F(T) gravity, highlighting the inability of the Boltzmann solver CLASS to handle nonlinear models. As a workaround…
astro-ph.CO2024
Interacting dark energy models
Robert Rugg, Shambel Sahlu, Amare Abebe
This work focuses on two linear interaction models between dark matter and dark energy, which are proposed as key factors in explaining cosmic history, specifically the latetime ac…