2 papers
astro-ph.CO2026
Signatures of Extended Dark Energy Parametrisations in Structure Formation under Background Constraints
Greco A. Peña, Mario H. Amante, Javier Chagoya +3
We study structure formation in alternative cosmological models constrained by background observations, including CDM, wCDM, the Chevallier-Polarski-Linder parametrisation and…
gr-qc2024
Observational constraints on entropic cosmology
Javier Chagoya, I. DÃaz-Saldaña, Mario H. Amante +2
In this work, we derive a generalized modified Friedmann equation based on an entropy-area relation that incorporates established modifications, such as volumetric, linear, and log…