3 papers
astro-ph.CO2025
Markov Walk Exploration of Model Spaces: Bayesian Selection of Dark Energy Models with Supernovae
Benedikt Schosser, Tobias Röspel, Bjoern Malte Schaefer
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 pr…
astro-ph.CO2025
On the full non-Gaussian Surprise statistic and the cosmological concordance between DESI, SDSS and Pantheon+
Pedro Riba Mello, Miguel Quartin, Bjoern Malte Schaefer +1
With the increasing precision of recent cosmological surveys and the discovery of important tensions within the CDM paradigm, it is becoming more and more important to develop…
astro-ph.CO2025
Bayesian distances for quantifying tensions in cosmological inference and the surprise statistic
Benedikt Schosser, Pedro Riba Mello, Miguel Quartin +1
Tensions between cosmological parameters derived through different channels can be a genuine signature of new physics that CDM as the standard model is not able to reproduce, i…