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astro-ph.CO2025★ 2 cited
Large, fast and accurate HI intensity maps with latent overlap diffusion
Satvik Mishra, Roberto Trotta, Matteo Viel
The distribution of 21 cm emission from neutral hydrogen is a powerful cosmological and astrophysical probe, as it traces the underlying dark matter and cold gas distributions thro…
astro-ph.CO2025★ 1 cited
JERALD: high-fidelity dark matter, stellar mass and neutral hydrogen maps from fast N-body simulations
Mauro Rigo, Roberto Trotta, Matteo Viel
We present a new code and approach, JERALD -- JAX Enhanced Resolution Approximate Lagrangian Dynamics -- , that improves on and extends the Lagrangian Deep Learning method of Dai &…