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06/10/2022
Splitted Levenberg-Marquardt Method for Large-Scale Sparse Problems
We consider large-scale nonlinear least squares problems with sparse res...
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04/06/2022
A Hessian inversion-free exact second order method for distributed consensus optimization
We consider a standard distributed consensus optimization problem where ...
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03/23/2022
Spectral Projected Subgradient Method for Nonsmooth Convex Optimization Problems
We consider constrained optimization problems with a nonsmooth objective...
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02/21/2022
A harmonic framework for stepsize selectionin gradient methods
We study the use of inverse harmonic Rayleigh quotients with target for ...
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07/07/2021
A stochastic first-order trust-region method with inexact restoration for finite-sum minimization
We propose a stochastic first-order trust-region method with inexact fun...
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03/25/2021
Minimizing Nonsmooth Convex Functions with Variable Accuracy
We consider unconstrained optimization problems with nonsmooth and conve...
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09/23/2020
Detection of Iterative Adversarial Attacks via Counter Attack
Deep neural networks (DNNs) have proven to be powerful tools for process...
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07/31/2020
LSOS: Line-search Second-Order Stochastic optimization methods
We develop a line-search second-order algorithmic framework for optimiza...
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01/12/2020