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Mathematical Physics Seminar

Existence of a minimizer for the Antonov stability estimate in galactic dynamics

Markus Kunze - Rutgers University

Location:  Hill 705
Date & time: Thursday, 11 October 2018 at 2:00PM - 3:00PM

Abstract:  The Antonov stability estimate is a key tool for all proofs of stability of static galaxies, since it yields a lower bound on the `Hessian' corresponding to the linearization. It is a non-standard variational problem to show that a minimizer does exist, and we are going to outline how this can be done.