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OATS-DAUT SEMINAR
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Speaker: Pierluigi Monaco (DAUT)

Title: Hierarchical Galaxy Formation

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Abstract: I will present a new code for the formation of galaxies in the context of the hierarchical LambdaCDM model. After discussing the hierarchical galaxy formation paradigm, I will outline the merits and problems of the codes based on semi-analityc techniques. Our new model improves in the level of sophistication at which the various physical processes are treated. In comparison with other similar codes, it reproduces correctly the assembly of stellar mass in the Universe without making ad-hoc assumptions on the behaviour of starbursts at high redshift. However, the presence of old compact galaxies at z=0 and the lack of proper quenching of cooling flows at low redshift reveals that some physical ingredient are still missing.
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