3 papers
math.OC2025
A Provably Convergent Plug-and-Play Framework for Stochastic Bilevel Optimization
Tianshu Chu, Dachuan Xu, Wei Yao +2
Bilevel optimization has recently attracted significant attention in machine learning due to its wide range of applications and advanced hierarchical optimization capabilities. In…
cs.LG2025
qNBO: quasi-Newton Meets Bilevel Optimization
Sheng Fang, Yong-Jin Liu, Wei Yao +2
Bilevel optimization, addressing challenges in hierarchical learning tasks, has gained significant interest in machine learning. The practical implementation of the gradient descen…
cs.LG2024
Constrained Bi-Level Optimization: Proximal Lagrangian Value function Approach and Hessian-free Algorithm
Wei Yao, Chengming Yu, Shangzhi Zeng +1
This paper presents a new approach and algorithm for solving a class of constrained Bi-Level Optimization (BLO) problems in which the lower-level problem involves constraints coupl…