A reverse Hölder inequality for first eigenfunctions of the Dirichlet Laplacian on $\operatorname {RCD}(K,N)$ spaces
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- by Mustafa Alper Gunes and Andrea Mondino
- Proc. Amer. Math. Soc. 151 (2023), 295-311
- DOI: https://doi.org/10.1090/proc/16099
- Published electronically: September 23, 2022
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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.References
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Bibliographic Information
- Mustafa Alper Gunes
- Affiliation: Mathematical Institute, University of Oxford, Radcliffe Observatory, Andrew Wiles Building, Woodstock Road, Oxford OX2 6GG, United Kingdom
- MR Author ID: 1451905
- Email: mustafa.gunes@st-hildas.ox.ac.uk, mg3866@princeton.edu
- Andrea Mondino
- Affiliation: Mathematical Institute, University of Oxford, Radcliffe Observatory, Andrew Wiles Building, Woodstock Road, Oxford OX2 6GG, United Kingdom
- MR Author ID: 910857
- ORCID: 0000-0002-1932-7148
- Email: andrea.mondino@maths.ox.ac.uk
- Received by editor(s): October 1, 2021
- Received by editor(s) in revised form: February 2, 2022, and April 4, 2022
- Published electronically: September 23, 2022
- Additional Notes: The authors are supported by the European Research Council (ERC), under the European’s Union Horizon 2020 research and innovation programme, via the ERC Starting Grant “CURVATURE”, grant agreement No. 802689.
- Communicated by: Guofang Wei
- © Copyright 2022 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 151 (2023), 295-311
- MSC (2020): Primary 53C23; Secondary 53C21, 58C40
- DOI: https://doi.org/10.1090/proc/16099
- MathSciNet review: 4504626