Preprint
Jul 2026
A Proximal Point Semismooth Newton Algorithm for Structural Composite Cardinality Optimization
An efficient proximal point algorithm (PPA) is developed to solve the stationary dual problem and the SNA subroutine is incorporated into the inexact PPA to solve jump-sparse signal recovery and computed tomography (CT) image restoration.
Penghe Zhang, Naihua Xiu, Houduo Qi
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