2 papers
astro-ph.GA2025
Diverse dark matter profiles in FIRE dwarfs: black holes, cosmic rays and the cusp-core enigma
Sophie Koudmani, Douglas Rennehan, Rachel S. Somerville +5
Dwarf galaxies have historically posed challenges to the cold dark matter (CDM) model and, while many of the so-called 'dwarf galaxy problems' have been mitigated by incorporating…
astro-ph.GA2025
On the Significance of Rare Objects at High Redshift: The Impact of Cosmic Variance
Christian Kragh Jespersen, Charles L. Steinhardt, Rachel S. Somerville +1
The discovery of extremely luminous galaxies at ultra-high redshifts () has challenged galaxy formation models. Most analyses of this tension have not accounted for the…