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A New Spectral Conjugate Subgradient Method with Application in Computed Tomography Image Reconstruction

open access: yes
A new spectral conjugate subgradient method is presented to solve nonsmooth unconstrained optimization problems. The method combines the spectral conjugate gradient method for smooth problems with the spectral subgradient method for nonsmooth problems ...
Loreto, Milagros   +4 more
core  

Subgradient projectors : theory, extensions and algorithms

open access: yes, 2016
The subgradient projector plays an important role in convex optimization, since the subgradient projection algorithm is a classical method for solving convex feasibility problems.
Xu, Jia
core  

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