cosmological data analysis 1covariance estimation 1gaussian errors 1likelihood approximation 1student-t distribution 1
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astro-ph.CO2024
The distribution of Bayes' ratio
Luca Amendola, Vrund Patel, Ziad Sakr +2
The ratio of Bayesian evidences is a popular tool in cosmology to compare different models. There are however several issues with this method: Bayes' ratio depends on the prior eve…
astro-ph.CO2024
Stage IV baryonic feedback correction for non-Gaussianity inference
Daniela Grandón, Elena Sellentin
Non-Gaussian statistics of the projected weak lensing field are powerful estimators that can outperform the constraining power of the two-point functions in inferring cosmological…