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math.OC2024
Nonlinear preconditioned primal-dual method for a class of structured minimax problems
Lu Zhang, Hongxia Wang, Hui Zhang
We propose and analyze a general framework called nonlinear preconditioned primal-dual with projection for solving nonconvex-nonconcave and non-smooth saddle-point problems. The fr…
math.OC2022
Quantile-based Random Sparse Kaczmarz for Corrupted and Noisy Linear Systems
Lu Zhang, Hongxia Wang, Hui Zhang
The randomzied Kaczmarz method, along with its recently developed variants, has become a popular tool for dealing with large-scale linear systems. However, these methods usually fa…