Author

Yichen Hu

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Preprint Jul 2026

Rigidity of weak solutions for anisotropic N-Laplacian equation with Neumann or Robin boundary condition

This paper is devoted to the rigidity of weak solutions for anisotropic $N$-Laplacian equations with Neumann or Robin boundary conditions on smooth bounded convex domains of $\mathbb{R}^N$. The anisotropic operator is given by $$a(\xi) = H^{N-1}(\xi)\nabla H(\xi),$$ where $H$ stands for a norm on $\mathbb{R}^N$; this f...

Yuxia Guo, Yi-Chen Hu, Shao-Long Peng et al. · 0 citations

Preprint Jul 2026

Bias-Corrected Multiplier Bootstrap Inference for Spectral Edges of Large Covariance Matrices

Inference for spectral edges of large covariance matrices is a fundamental problem in high-dimensional statistics. A major difficulty is that the largest non-spiked sample eigenvalues, which serve as natural estimators of the edge, fluctuate on the Tracy--Widom scale. Consequently, valid inference requires accurate cen...

Xiu-Cai Ding, Yi-Chen Hu, Jia-Hui Xie · 0 citations