2 papers
astro-ph.CO2025
Constraints on neutrino mass and dark energy agnostic to the sound horizon
Ravi Kumar Sharma, Julien Lesgourgues
Recent BAO observations from DESI DR2 either hint at a possible dynamical dark energy component, which would worsen the Hubble tension, or at a 95\% credible interval for the summe…
astro-ph.CO2025
OLÃ -- Online Learning Emulation in Cosmology
Sven Günther, Lennart Balkenhol, Christian Fidler +4
In this work, we present OLÃ, a new online learning emulator for use in cosmological inference. The emulator relies on Gaussian Processes and Principal Component Analysis for effi…