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25 janvier 2019 Tout le mois

Licia Verde (ICCUB) - The importance of bias

Vendredi 25 janvier 11:00-12:00

In cosmology bias is used in two different contexts. In one case it refers to systematic errors in a measurement or a determination of model’s parameters. In the other case it refers to the relation between the clustering of mass and that of observable tracers such as galaxies.
I will touch upon both aspects. I will highlight the importance of considering and modelling the effect of systematic errors and I will present a model of the halo bias in massive neutrinos cosmologies.

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