Calculus of Variations and Geometric Measure Theory
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M. A. Gunes - A. Mondino

A reverse Hölder inequality for first eigenfunctions of the Dirichlet Laplacian on RCD(K,N) spaces

created by mondino on 01 Oct 2021
modified on 04 Oct 2021

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Submitted Paper

Inserted: 1 oct 2021
Last Updated: 4 oct 2021

Year: 2021

ArXiv: 2110.00292 PDF

Abstract:

In the framework of (possibly non-smooth) metric measure spaces with Ricci curvature bounded below by a positive constant in a synthetic sense, we establish a sharp and rigid reverse-Hölder inequality for first eigenfunctions of the Dirichlet Laplacian. This generalises to the positively curved and non-smooth setting the classical ``Chiti Comparison Theorem''. We also prove a related quantitative stability result which seems to be new even for smooth Riemannian manifolds.


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