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Xiao-Tian Chang

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#machine learning Preprint Sep 2026

Locally Private Inference for Riemannian Stochastic Optimization

The central limit theorem and consistency of the fully transcript-based sandwich covariance and intrinsic Wald region under local differential privacy are proved and the predicted decrease in estimation error and near-nominal coverage under moderate privacy is supported.

Xiao-Tian Chang, Yang-Di Jiang, Qi-Rui Hu · 0 citations
#machine learning Preprint Sep 2026

Riemannian Simultaneous Inference for Tangent Vector Field Regression

We consider nonparametric tangent vector field regression on a Riemannian manifold without boundary. Because responses at different points lie in different tangent spaces, the proposed kernel estimator first parallel transports nearby responses to the target tangent space and then forms a volume-corrected local average...

Xiao-Tian Chang, Yang-Di Jiang, Qi-Rui Hu · 0 citations

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