Calculus of Variations and Geometric Measure Theory
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G. Ciraolo - A. Figalli - F. Maggi - M. Novaga

Rigidity and sharp stability estimates for hypersurfaces with constant and almost-constant nonlocal mean curvature

created by figalli on 02 Mar 2015
modified by novaga on 31 Dec 2015


Accepted Paper

Inserted: 2 mar 2015
Last Updated: 31 dec 2015

Journal: J. Reine Angew. Math.
Year: 2015


We prove that the boundary of a (not necessarily connected) bounded smooth set with constant nonlocal mean curvature is a sphere. More generally, and in contrast with what happens in the classical case, we show that the Lipschitz constant of the nonlocal mean curvature of such a boundary controls its $C^2$-distance from a single sphere. The corresponding stability inequality is obtained with a sharp decay rate.


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