Abstract
We establish the Krylov–Safonov Harnack inequalities and Hölder estimates for fully nonlinear nonlocal operators of non-divergence form on Riemannian manifolds with nonnegative sectional curvatures. To this end, we first define the nonlocal Pucci operators on manifolds that give rise to the concept of non-divergence form operators. We then provide the uniform regularity estimates for these operators which recover the classical estimates for second order local operators as limits.
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Acknowledgements
The research of Jongmyeong Kim is supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (2016R1E1A1A01941893). Minhyun Kim gratefully acknowledges funding by the Deutsche Forschungsgemeinschaft (GRK 2235/2 2021 - 282638148). The research of Ki-Ahm Lee is supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP): NRF-2020R1A2C1A01006256.
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Kim, J., Kim, M. & Lee, KA. Harnack inequality for nonlocal operators on manifolds with nonnegative curvature. Calc. Var. 61, 22 (2022). https://doi.org/10.1007/s00526-021-02124-0
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DOI: https://doi.org/10.1007/s00526-021-02124-0