The sharp L²-Michael-Simon-Sobolev inequality via conformal geometry

Geometry Lunch Seminar

WhenWednesday, September 9, 2026, 12:20 pm - 1:30 pm
Where114 McAllister
SpeakerDawit Mengesha, Penn State
ContactRachel Weaver, Dmitri Burago, Anton Petrunin, Jeffrey Case, Dawit Mengesha

Abstract

We use methods from conformal geometry to show that the best constant in the L2-Michael-Simon-Sobolev inequality for an n-dimensional minimal submanifold of Euclidean N-space is equal to the sharp constant in the usual L2-Sobolev inequality on Rn as computed by Aubin and Talenti. This removes the codimension restriction N≤n+2 from a result of Brendle. This is joint work with Jeffrey Case. https://www.kaltura.com/tiny/423y4a97

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