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University of Cambridge > Talks.cam > Cosmology Lunch > Maximum Entropy Reasoning: From Cosmological Likelihood Functions to Quantum Field Theory

## Maximum Entropy Reasoning: From Cosmological Likelihood Functions to Quantum Field TheoryAdd to your list(s) Download to your calendar using vCal - Steven Gratton (IoA)
- Monday 22 November 2010, 13:00-14:00
- CMS, Pav.B, CTC Common Room (B1.19).
If you have a question about this talk, please contact Andrew Pontzen. In this talk I review the maximum entropy principle and discuss its use in obtaining usable probability distributions for measurable quantities. I argue that maximum entropy reasoning gives a Bayesian motivation for certain “high-l” cosmological likelihood approximations, useful for the analysis of large cosmic microwave background datasets such as that expected from the Planck mission. I then show how the principle provides a means to systematically improve such approximations should the need arise. In light of the reasoning applied, I end by discussing connections between maximum entropy reasoning and quantum field theory. This talk is part of the Cosmology Lunch series. ## This talk is included in these lists:- All CMS events
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