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Paper: Ab Initio Formation of Galaxies, Groups and Large-Scale Structure
Volume: 209, Small Galaxy Groups, IAU Colloquium 174
Page: 434
Authors: Diaferio, Antonaldo
Abstract: For the first time, the combination of semi-analytic modelling of galaxy formation and N -body simulations of cosmic structure formation enables us to model, at the same time, both the photometric and the clustering properties of galaxies. Two Cold Dark Matter Universes provide a reasonable fit to the observed properties of galaxies, groups and clusters, including luminosities, colours, density and velocity biases. We show how the properties of galaxies and groups on small scales are inextricably connected with the global properties of the Universe.
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