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astro-ph.GA2025
Collision frequency between dark matter subhaloes within Milky Way-like galaxies
Koki Otaki, Yudai Kazuno, Masao Mori
In the standard cold dark matter (CDM) model, sub-galactic structures hierarchically collide and merge to build up larger structures. Mergers and collisions between dwarf galaxies…
astro-ph.GA2025★ 1 cited
Cusp-to-Core Transition of Dark Matter Halos across Galaxy Mass Scales
Kohei Hayashi, Yuka Kaneda, Masao Mori +1
We investigate the diversity of dark matter (DM) density profiles in a large sample of late-type galaxies from the SPARC database, with the goal of testing whether a cusp-to-core t…