Kernel smoothing on manifolds

Authors: Eunseong Bae, Wolfgang Polonik

Abstract: Under the assumption that data lie on a compact (unknown) manifold without boundary, we derive finite sample bounds for kernel smoothing and its (first and second) derivatives, and we establish asymptotic normality through Berry-Esseen type bounds. Special cases include kernel density estimation, kernel regression and the heat kernel signature. Connections to the graph Laplacian are also discussed.

Submitted to arXiv on 23 Jan. 2026

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