Faster Stochastic Algorithms for Minimax Optimization under Polyak-{ L}ojasiewicz Condition. - Lesi Chen; Boyuan Yao; Luo Luo (NeurIPS, 2022)

Near-Optimal Algorithms for Making the Gradient Small in Stochastic Minimax Optimization. - Lesi Chen; Luo Luo (CoRR, 2022)

A Simple and Efficient Stochastic Algorithm for Decentralized Nonconvex-Strongly-Concave Minimax Optimization. - Lesi Chen; Haishan Ye; Luo Luo (CoRR, 2022)

Faster Gradient-Free Algorithms for Nonsmooth Nonconvex Stochastic Optimization. - Lesi Chen; Jing Xu 027; Luo Luo (ICML, 2023)

Communication Efficient Distributed Newton Method with Fast Convergence Rates. - Chengchang Liu; Lesi Chen; Luo Luo; John C. S. Lui (KDD, 2023)

On Bilevel Optimization without Lower-level Strong Convexity. - Lesi Chen; Jing Xu 027; Jingzhao Zhang (CoRR, 2023)

Near-Optimal Fully First-Order Algorithms for Finding Stationary Points in Bilevel Optimization. - Lesi Chen; Yaohua Ma; Jingzhao Zhang (CoRR, 2023)

Faster Stochastic Algorithms for Minimax Optimization under Polyak-Łojasiewicz Conditions. - Lesi Chen; Boyuan Yao; Luo Luo (CoRR, 2023)

An Efficient Stochastic Algorithm for Decentralized Nonconvex-Strongly-Concave Minimax Optimization. - Lesi Chen; Haishan Ye; Luo Luo (AISTATS, 2024)

On Finding Small Hyper-Gradients in Bilevel Optimization: Hardness Results and Improved Analysis. - Lesi Chen; Jing Xu; Jingzhao Zhang (COLT, 2024)

Decentralized Convex Finite-Sum Optimization with Better Dependence on Condition Numbers. - Yuxing Liu; Lesi Chen; Luo Luo (ICML, 2024)

Functionally Constrained Algorithm Solves Convex Simple Bilevel Problem. - Huaqing Zhang 005; Lesi Chen; Jing Xu; Jingzhao Zhang (NeurIPS, 2024)

Functionally Constrained Algorithm Solves Convex Simple Bilevel Problems. - Huaqing Zhang 005; Lesi Chen; Jing Xu; Jingzhao Zhang (CoRR, 2024)

Solving Convex-Concave Problems with 풪(ε-4/7) Second-Order Oracle Complexity. - Lesi Chen; Chengchang Liu; Luo Luo; Jingzhao Zhang (COLT, 2025)

Second-Order Min-Max Optimization with Lazy Hessians. - Lesi Chen; Chengchang Liu; Jingzhao Zhang (ICLR, 2025)

Solving Convex-Concave Problems with 𝒪(ε-4/7) Second-Order Oracle Complexity. - Lesi Chen; Chengchang Liu; Luo Luo; Jingzhao Zhang (CoRR, 2025)