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SPEAKER: Matthew Langford (UTK)

TITLE: The edge of the universe — the mathematics behind the 2020 Nobel prize in physics.

ABSTRACT: In the 1950's and 60's, the field of general relativity was revolutionised by the introduction of advanced mathematical analysis, in particular through the work of Choquet-Bruhat and Penrose. This revolution put (relativistic) astrophysics and cosmology on a firm mathematical foundation and culminated in definitive theoretical evidence for the formation of “singularities” in stellar collapse and the beginning of (the current phase of?) the universe. I will present an introduction to these advances and some of the mathematics behind them. The talk will be suitable for graduate students.

Friday, November 6, 2020 at 3:35pm to 4:35pm

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