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Cosmological singularities and initial data on the big bang

Time: Tue 2022-10-18 10.15 - 11.15

Location: Room 3418, Lindstedtsvägen 25

Language: English

Lecturer: Hans Ringström, KTH

The talk will begin with an overview of past results concerning cosmological singularities. This will be followed by a brief description of a framework for studying anisotropic big bangs. Finally, a notion of initial data on big bang singularities will be introduced, and it will be illustrated how this notion can be used to give a unified perspective on past results, how it can be used to predict asymptotic behaviour, and how it might be useful for future studies.