Filaments in Warm Dark Matter

Abstract

Using Warm Dark Matter rather then Cold Dark Matter we are able to solve the over-production of satellite galaxies orbiting in galactic haloes. Moreover, we can show that this model leads to interesting new results in terms of the history and large-scale distribution of low-mass objects as well as the formation of filamentary structures when being compared to the standard CDM scenario.

1 page, 1 figure, rmaa.cls, to appear in 'Galaxy evolution: theory and observations', Eds. V. Avila-Reese, C. Firmani, C. Frenk, & C. Allen, RevMexAA SC (2002)