Speaker
Description
Simulation-based inference is going to be play a key role in the upcoming cosmological analyses. For this reason, I will present an end-to-end pipeline designed for multi-probe simulation-based inference.
I first present CosmoGridV1, a suite of lightcone simulations for map-level cosmological inference. The simulation suite spans the wCDM model and includes a fiducial cosmology with 200 independent realisations and a benchmark set with larger boxes, higher particle counts and higher redshift resolution of shells.
I will then discuss Ufalcon, a post-processing tool that generates multi-probe maps from simulations for a range of cosmological probes, including galaxy overdensity, weak-lensing convergence, CMB lensing, and the integrated Sachs-Wolfe (ISW) temperature perturbation.
Finally, I will introduce SwiftCl (Reymond et al, 2026), a fast and differentiable tool for computing angular power spectra beyond the Limber approximation. This tool enables multi-probe analysis for galaxy clustering, weak lensing, CMB lensing, and CMB ISW. Together, these tools provide an complete framework for next-generation cosmological constraints.