State of the Universe

Sampling “ensemble” of Universes

by Tarun Souradeep (IUCAA)

Monday, September 28, 2015 from to (Asia/Kolkata)
at DTP seminar room ( A304 )
Inference in Cosmology has to surmount  the intrinsic challenge of a single observational sample of the stochastic origin of structure in light and matter distribution in the Universe.  Traditionally, cosmologists have relied on well motivated, simplifying assumptions  to overcome this limitation. Current exquisite observations, in particular,  of the Cosmic Microwave Background (CMB) radiation, call for inference beyond such “fundamental" assumptions. I describe a quest to draw inferences in cosmology from the observed CMB sky map beyond the assumption of statistical isotropy.