|Speaker||Talk Date||Talk Series|
|Tommaso Treu, University of California Santa Barbara||2 September, 2010||Institute of Astronomy Colloquia|
I will presents new observational tests of the LCDM paradigm. In
particular I will focus on the following questions: are there universal
dark matter profiles? is there dark matter substructure? What is the
equation of state of dark energy? I will discuss the results underlying
the crucial need to uderstand the interplay between baryons and dark
matter as part of the paradigm.