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Accueil > Événements > Actualités > Seminars

Colloque CPTGA

Benjamin Wandelt (IAP and ILP, Sorbonne University, Paris, CCA, Flatiron Institute, New York)
Confronting Theory and Data in Cosmology
Lieu : Amphithéâtre, maison des Magistères,
le vendredi 1er mars 2019 à 11h00
Personne à contacter :

The mysteries of the cosmic beginning, gravitational clustering, and cosmic acceleration persist. How can we distill relevant cosmological information from the next generation of data sets? Taking examples from the cosmic microwave background, large scale structure, and supernova cosmology, I will discuss inference strategies, artificial intelligence, machine learning, and computational approaches that promise to extract more information from current and upcoming data sets. The philosophy is to allow maximum freedom to design realistic forward models, to be robust to systematic nuisances, accurately combine multiple probes, move beyond simplistic likelihood assumptions, naturally allow quantitative model comparison, characterize tensions in the data, and maintain (near-)optimality whenever possible.


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