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math.OC2025
Stochastic momentum ADMM for nonconvex and nonsmooth optimization with application to PnP algorithm
Kangkang Deng, Shuchang Zhang, Boyu Wang +3
This paper proposes SMADMM, a single-loop Stochastic Momentum Alternating Direction Method of Multipliers for solving a class of nonconvex and nonsmooth composite optimization prob…
math.OC2024
Inexact Riemannian Gradient Descent Method for Nonconvex Optimization
Juan Zhou, Kangkang Deng, Hongxia Wang +1
Gradient descent methods are fundamental first-order optimization algorithms in both Euclidean spaces and Riemannian manifolds. However, the exact gradient is not readily available…