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Yicheng Li

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#machine learning Preprint May 2026

AMO: Operator-level Adaptive Muon Orthogonalization

Operator-level Adaptive Muon Orthogonalization (AMO), an observe-then-commit method that measures weight geometry by operator type early in training and then uses these signals to allocate the NS budget for the remainder of training, delivers consistent improvements over uniform-schedule Muon.

Xin-Lin Zhuang, Panyi Ouyang, Yicheng Li et al. · 0 citations
Preprint Sep 2026

Risk Equivalence between RKHS Regression and Sequence Models for Lipschitz Spectral Algorithms

Kernel spectral algorithms are often summarized by convergence rates, which hide how their risk depends jointly on regularization, noise, the population spectrum, target coefficients, and the chosen filter. Gaussian sequence models arise as a simplified but characteristic setting for studying the interplay of these fac...

Yicheng Li, Yu-Qiang Cheng, Zhuo Chen et al. · 0 citations
Preprint Jul 2026

Exact Generalization Error Curves of Kernel Ridge Regression for Functional Moment Estimation

Kernel ridge regression is a standard method for functional data analysis, but its exact behavior is less understood. We study tensor-product kernel ridge regression for estimating the $r$-th moment function of a random function based on noisy discrete observations. The formulation includes mean estimation, covariance...

Yi Ding, Yicheng Li · 0 citations

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