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math.NA2026
Randomized iterative methods with Polyak step-size for solving generalized absolute value equations
Jiayun Chen, Qiye Zhang, Deren Han +1
In this paper, we systematically incorporate the Polyak step-size into the randomized iterative method to improve its efficiency for solving generalized absolute value equations. I…
math.NA2025
Randomized block Kaczmarz with volume sampling: Momentum acceleration and efficient implementation
Ruike Xiang, Jiaxin Xie, Qiye Zhang
The randomized block Kaczmarz (RBK) method is a widely utilized iterative scheme for solving large-scale linear systems. However, the theoretical analysis and practical effectivene…