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Liu, Chengchang
10 publications
AAAI
2025
An Enhanced Levenberg-Marquardt Method via Gram Reduction
Chengchang Liu
,
Luo Luo
,
John C. S. Lui
MLJ
2025
Panda: Partially Approximate Newton Methods for Distributed Minimax Optimization with Unbalanced Dimensions
Minheng Xiao
,
Chengchang Liu
,
Cheng Chen
,
John C. S. Lui
,
Sen Na
NeurIPS
2025
Quantum Speedups for Minimax Optimization and Beyond
Chengchang Liu
,
Zongqi Wan
,
Jialin Zhang
,
Xiaoming Sun
,
John C.S. Lui
ICLR
2025
Second-Order Min-Max Optimization with Lazy Hessians
Lesi Chen
,
Chengchang Liu
,
Jingzhao Zhang
COLT
2025
Solving Convex-Concave Problems with $\mathcal{O}(\epsilon^{-4/7})$ Second-Order Oracle Complexity
Lesi Chen
,
Chengchang Liu
,
Luo Luo
,
Jingzhao Zhang
AAAI
2024
Communication Efficient Distributed Newton Method over Unreliable Networks
Ming Wen
,
Chengchang Liu
,
Yuedong Xu
ICML
2024
Quantum Algorithm for Online Exp-Concave Optimization
Jianhao He
,
Chengchang Liu
,
Xutong Liu
,
Lvzhou Li
,
John C.S. Lui
NeurIPS
2024
Quantum Algorithms for Non-Smooth Non-Convex Optimization
Chengchang Liu
,
Chaowen Guan
,
Jianhao He
,
John C.S. Lui
NeurIPS
2023
Block Broyden's Methods for Solving Nonlinear Equations
Chengchang Liu
,
Cheng Chen
,
Luo Luo
,
John C.S. Lui
NeurIPS
2022
Quasi-Newton Methods for Saddle Point Problems
Chengchang Liu
,
Luo Luo