2 papers
astro-ph.CO2026
Coverage is not enough: Frequentist tests of simulation-based inference for primordial non-Gaussianity
Toka Alokda, Cristiano Porciani, Alexander Eggemeier
(Abridged) Simulation-based inference (SBI) has emerged as a powerful framework for extracting cosmological information from complex, non-linear data where analytical likelihoods a…
astro-ph.CO2025
Segmenting proto-halos with vision transformers
Toka Alokda, Cristiano Porciani
The formation of dark-matter halos from small cosmological perturbations generated in the early universe is a highly non-linear process typically modeled through N-body simulations…