Showing math.STShow all
2 papers · 1 filter
math.ST2026
Robust Multi-Task Learning for Principal Component Analysis
Dali Liu, Haolei Weng
Principal component analysis (PCA) is a fundamental tool for learning low-dimensional structure from high-dimensional data. When data are collected from multiple sources, the under…
math.ST2024
Sharp Bounds for Multiple Models in Matrix Completion
Dali Liu, Haolei Weng
In this paper, we demonstrate how a class of advanced matrix concentration inequalities, introduced in \cite{brailovskaya2024universality}, can be used to eliminate the dimensional…