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math.OC2024
Plug-and-play superiorization
Jon Henshaw, Aviv Gibali, Thomas Humphries
The superiorization methodology (SM) is an optimization heuristic in which an iterative algorithm, which aims to solve a particular problem, is ``superiorized'' to promote solution…
math.OC2023★ 2 cited
A New Spectral Conjugate Subgradient Method with Application in Computed Tomography Image Reconstruction
Milagros Loreto, Thomas Humphries, Chella Raghavan +2
A new spectral conjugate subgradient method is presented to solve nonsmooth unconstrained optimization problems. The method combines the spectral conjugate gradient method for smoo…