2 papers
math.ST2026
Support Recovery and -Error Bound for Sparse Regression with Quadratic Measurements via Weakly-Convex-Concave Regularization
Jun Fan, Jingyu Yang, Xinyu Zhang +1
The recovery of unknown signals from quadratic measurements finds extensive applications in fields such as phase retrieval, power system state estimation, and unlabeled distance ge…
math.NA2025
Fast Operator-Splitting Methods for Nonlinear Elliptic Equations
Jingyu Yang, Shingyu Leung, Jianliang Qian +1
Nonlinear elliptic problems arise in many fields, including plasma physics, astrophysics, and optimal transport. In this article, we propose a novel operator-splitting/finite eleme…