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math.OC2025
Bregman Douglas-Rachford Splitting Method
Shiqian Ma, Lin Xiao, Renbo Zhao
In this paper, we propose the Bregman Douglas-Rachford splitting (BDRS) method and its variant Bregman Peaceman-Rachford splitting method for solving maximal monotone inclusion pro…
math.OC2025
Stochastic Approximation with Block Coordinate Optimal Stepsizes
Tao Jiang, Lin Xiao
We consider stochastic approximation with block-coordinate stepsizes and propose adaptive stepsize rules that aim to minimize the expected distance from the next iterate to an (unk…