Evaluating extensions to LCDM: an application of Bayesian model averaging and selection
We present a powerful and innovative statistical framework to address key cosmological
questions about the universe's fundamental properties, performing Bayesian model …
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 …
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 …
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 …
set theory and unimodular gravity, and confronts it with two key observational data sets …
LOO-PIT: A sensitive posterior test
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 …
available to researchers will be greater than ever. As these projects will significantly drive …
Evaluating extensions to LCDM: an application of Bayesian model averaging
We employ Bayesian Model Averaging (BMA) as a powerful statistical framework to address
key cosmological questions about the universe's fundamental properties. We explore …
key cosmological questions about the universe's fundamental properties. We explore …
A New Master Supernovae Ia sample and the investigation of the tension
Modern cosmological research still thoroughly debates the discrepancy between local
probes and the Cosmic Microwave Background observations in the Hubble constant ($ H_0 …
probes and the Cosmic Microwave Background observations in the Hubble constant ($ H_0 …