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math.OC2021
Accelerated forward-backward method with fast convergence rate for nonsmooth convex optimization beyond differentiability
Wei Bian, Fan Wu
We propose an accelerated forward-backward method with fast convergence rate for finding a minimizer of a decomposable nonsmooth convex function over a closed convex set, and name…
math.OC2021
Smoothing fast iterative hard thresholding algorithm for regularized nonsmooth convex regression problem
Fan Wu, Wei Bian, Xiaoping Xue
We investigate a class of constrained sparse regression problem with cardinality penalty, where the feasible set is defined by box constraint, and the loss function is convex, but…