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astro-ph.CO2025
Galactification: painting galaxies onto dark matter only simulations using a transformer-based model
Shivam Pandey, Christopher C. Lovell, Chirag Modi +1
Connecting the formation and evolution of galaxies to the large-scale structure is crucial for interpreting cosmological observations. While hydrodynamical simulations accurately m…
astro-ph.GA2025
FLORAH-Tree: Emulating Dark Matter Halo Merger Trees with Graph Generative Models
Tri Nguyen, Chirag Modi, Siddharth Mishra-Sharma +2
Merger trees track the hierarchical assembly of dark matter halos across cosmic time and serve as essential inputs for semi-analytic models of galaxy formation. However, convention…