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astro-ph.GA2026
The approximate gravitational lensing multiple plane mass sheet degeneracy
Luca Teodori
Strong gravitational lensing has to deal with many modeling degeneracies, the most notable being the Mass Sheet Degeneracy (MSD). We review the MSD when one needs to model more len…
astro-ph.GA2025
Ultra-Light Dark Matter Simulations and Stellar Dynamics: Tension in Dwarf Galaxies for eV
Luca Teodori, Andrea Caputo, Kfir Blum
We present numerical simulations of dark matter and stellar dynamics in ultra light dark matter halos tailored to mimic dwarf galaxies. An important effect we observe is the dynami…