Viernes 16/12: Genuine precision cosmology from the large-scale structure of the Universe.

Expositor: Dr. Ariel Sánchez (MPE, Garching, Alemania)

Date: viernes 16 de diciembre, 11 hs.

Abstract: Accurate models of the non-linear evolution of density fluctuations are crucial for the analysis of cosmological observations. Evolution mapping is a general concept that can be used to build such recipes. This approach exploits a degeneracy in the impact of different cosmological parameters on the linear matter power spectrum to drastically reduce the number of parameters required to describe the cosmology dependence of statistics of the non-linear density field. In this talk, I will show a few applications of evolution mapping, with a focus on how it can help us to understand the information content of large-scale structure observations.

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