Testing Dynamical Dark Energy and Constraining high-z reionization with Cosmological Data


"Ï will present two cosmological studies: (1) Extending ΛCDM with dynamical dark energy via Taylor-expanded pressure parametrization; showing First and Second-Order Constraints with Latest Cosmological Data. (2) Gaussian process reconstruction of reionization history from Planck CMB low_l EE data, tightly limiting high-z contributions and exotic injections like decaying dark matter (~1 MeV)."

23/10/2025

Specker: Matías Liempi
Aula Conversi, Marconi Building
Zoom link: https://uniroma1.zoom.us/j/87038625161?pwd=cEtGRjZNT2VWSlJIWmxaYmxSMDhRZz09

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