Evaluating extensions to LCDM: an application of Bayesian model averaging and selection

S Paradiso, G McGee, WJ Percival - Journal of Cosmology and …, 2024 - iopscience.iop.org
We present a powerful and innovative statistical framework to address key cosmological
questions about the universe's fundamental properties, performing Bayesian model …

Stage IV baryonic feedback correction for non-Gaussianity inference

D Grandón, E Sellentin - Monthly Notices of the Royal …, 2025 - academic.oup.com
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 …

Markov Walk Exploration of Model Spaces: Bayesian Selection of Dark Energy Models with Supernovae

B Schosser, T Röspel, BM Schaefer - arxiv preprint arxiv:2407.06259, 2024 - arxiv.org
Central to model selection is a trade-off between performing a good fit and low model
complexity: A model of higher complexity should only be favoured over a simpler model if it …

Aspects of Everpresent Λ. Part II. Cosmological tests of current models

S Das, A Nasiri, YK Yazdi - Journal of Cosmology and …, 2024 - iopscience.iop.org
This paper investigates Everpresent Λ, a stochastic dark energy model motivated by causal
set theory and unimodular gravity, and confronts it with two key observational data sets …

LOO-PIT: A sensitive posterior test

ABH Nguyen, M Bonici, G McGee… - Journal of Cosmology …, 2025 - iopscience.iop.org
With the advent of the next generation of astrophysics experiments, the volume of data
available to researchers will be greater than ever. As these projects will significantly drive …

Evaluating extensions to LCDM: an application of Bayesian model averaging

S Paradiso, G McGee, WJ Percival - arxiv preprint arxiv:2403.02120, 2024 - arxiv.org
We employ Bayesian Model Averaging (BMA) as a powerful statistical framework to address
key cosmological questions about the universe's fundamental properties. We explore …

A New Master Supernovae Ia sample and the investigation of the tension

MG Dainotti, B De Simone, A Mondal, K Kohri… - arxiv preprint arxiv …, 2025 - arxiv.org
Modern cosmological research still thoroughly debates the discrepancy between local
probes and the Cosmic Microwave Background observations in the Hubble constant ($ H_0 …