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math.OC2026
Decentralized Nonsmooth Nonconvex Optimization with Client-Data Sampling
Cheng Chen, Xinyan Chen, Weiguo Gao +1
This paper studies decentralized nonsmooth nonconvex optimization with Lipschitz-continuous local functions. We propose an efficient stochastic first-order method with a novel clie…
math.OC2025
Explicit Global Convergence Rates of BFGS without Line Search
Jianjiang Yu, Weiguo Gao, Luo Luo
This paper studies the convergence rates of the Broyden--Fletcher--Goldfarb--Shanno~(BFGS) method without line search. We show that the BFGS method with an adaptive step size [Gao…