3 papers
astro-ph.CO2025
The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533
The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…
astro-ph.CO2025
DeepWiener: Neural Networks for CMB polarization maps and power spectrum computation
Belén Costanza, Claudia G. Scóccola, MatÃas Zaldarriaga
To study the early Universe, it is essential to estimate cosmological parameters with high accuracy, which depends on the optimal reconstruction of Cosmic Microwave Background (CMB…
cs.LG2024
Exact and approximate error bounds for physics-informed neural networks
Augusto T. Chantada, Pavlos Protopapas, Luca Gomez Bachar +2
The use of neural networks to solve differential equations, as an alternative to traditional numerical solvers, has increased recently. However, error bounds for the obtained solut…