2 papers
stat.ME2026
Localization Estimator for High Dimensional Tensor Covariance Matrices
Hao-Xuan Sun, Song Xi Chen, Yumou Qiu
This paper considers covariance matrix estimation of tensor data under high dimensionality. A multi-bandable covariance class is established to accommodate the need for complex cov…
stat.ME2025
Versatile Differentially Private Learning for General Loss Functions
Qilong Lu, Songxi Chen, Yumou Qiu
This paper aims to provide a versatile privacy-preserving release mechanism along with a unified approach for subsequent parameter estimation and statistical inference. We propose…