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Formation and structure of halos in a warm dark matter cosmology
V. Avila-Reese, P. Colin, O. Valenzuela +2
(Abridged) Using high-resolution cosmological N-body simulations, we study how the density profiles of dark matter halos are affected by the filtering of the density power spectrum…
Substructure and halo density profiles in a Warm Dark Matter scenario
P. Colin, V. Avila-Reese, O. Valenzuela
High-resolution cosmological N-body simulations were performed in order to study the substructure of Milky Way-like galactic halos and the density profiles of halos in a warm dark…
Shallow cores in the dark matter halos: self-interaction in action?
V. Avila-Reese, C. Firmani, E. D'Onghia +1
Using observational data for a sample of dark matter dominated galaxies and two cluster of galaxies, we have found that the central halo density does not depend on its mass, and th…
The evolution of disk galaxies
V. Avila-Reese, C. Firmani
We study the evolution of disk galaxies using galaxy evolutionary models with initial and boundary conditions linked to the hierarchical formation scenario. Disks galaxies are mode…
Substructure and halo density profiles in a Warm Dark Matter Cosmology
P. Colin, V. Avila-Reese, O. Valenzuela
We performed a series of high-resolution simulations designed to study the substructure of Milky Way-size galactic halos (host halos) and the density profiles of halos in a warm da…
On the origin of the color Tully-Fisher and color-magnitude relations of disk galaxies
V. Avila-Reese, C. Firmani
We propose and show that the dependence of the internal face-on dust absorption upon B-band luminosity reported by Wang & Heckman (1996) for a sample of late-type galaxies may expl…