Valeria Ruggiero

Gerardo Toraldo

Comput. Optim. Appl., 2023

Hybrid limited memory gradient projection methods for box-constrained optimization problems.

[BibT_eX]

[DOI]

Comput. Optim. Appl., 2023

Diagonal Barzilai-Borwein Rules in Stochastic Gradient-Like Methods.

[BibT_eX]

[DOI]

Proceedings of the Optimization and Learning - 6th International Conference, 2023

2021

A Regularized Affine-Scaling Trust-Region Method for Parametric Imaging of Dynamic PET Data.

[BibT_eX]

[DOI]

SIAM J. Imaging Sci., 2021

Variable metric techniques for forward-backward methods in imaging.

[BibT_eX]

[DOI]

J. Comput. Appl. Math., 2021

Thresholding Procedure via Barzilai-Borwein Rules for the Steplength Selection in Stochastic Gradient Methods.

[BibT_eX]

[DOI]

Ilaria Trombini

Proceedings of the Machine Learning, Optimization, and Data Science, 2021

2020

Ritz-like values in steplength selections for stochastic gradient methods.

[BibT_eX]

[DOI]

Soft Comput., 2020

Spectral Properties of Barzilai-Borwein Rules in Solving Singly Linearly Constrained Optimization Problems Subject to Lower and Upper Bounds.

[BibT_eX]

[DOI]

SIAM J. Optim., 2020

Steplength and Mini-batch Size Selection in Stochastic Gradient Methods.

[BibT_eX]

[DOI]

Proceedings of the Machine Learning, Optimization, and Data Science, 2020

2019

Computational approaches for parametric imaging of dynamic PET data.

[BibT_eX]

[DOI]

CoRR, 2019

Steplength selection in gradient projection methods for box-constrained quadratic programs.

[BibT_eX]

[DOI]

Serena Crisci

Appl. Math. Comput., 2019

On the Steplength Selection in Stochastic Gradient Methods.

[BibT_eX]

[DOI]

Proceedings of the Numerical Computations: Theory and Algorithms, 2019

A Limited Memory Gradient Projection Method for Box-Constrained Quadratic Optimization Problems.

[BibT_eX]

[DOI]

Proceedings of the Numerical Computations: Theory and Algorithms, 2019

2018

Inertial Variable Metric Techniques for the Inexact Forward-Backward Algorithm.

[BibT_eX]

[DOI]

Simone Rebegoldi

SIAM J. Sci. Comput., 2018

Introduction to the special issue for SIMAI 2016.

[BibT_eX]

[DOI]

Gerardo Toraldo

Comput. Optim. Appl., 2018

Serial and parallel approaches for image segmentation by numerical minimization of a second-order functional.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2018

On the steplength selection in gradient methods for unconstrained optimization.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2018

2016

A Variable Metric Forward-Backward Method with Extrapolation.

[BibT_eX]

[DOI]

Federica Porta

SIAM J. Sci. Comput., 2016

Scaling Techniques for ε-Subgradient Methods.

[BibT_eX]

[DOI]

SIAM J. Optim., 2016

Numerical minimization of a second-order functional for image segmentation.

[BibT_eX]

[DOI]

Massimo Zanetti

Michele Miranda Jr.

Commun. Nonlinear Sci. Numer. Simul., 2016

2015

Numerical Methods for Parameter Estimation in Poisson Data Inversion.

[BibT_eX]

[DOI]

J. Math. Imaging Vis., 2015

Reprint of Inexact Bregman iteration for deconvolution of superimposed extended and point sources.

[BibT_eX]

[DOI]

Commun. Nonlinear Sci. Numer. Simul., 2015

Inexact Bregman iteration for deconvolution of superimposed extended and point sources.

[BibT_eX]

[DOI]

Commun. Nonlinear Sci. Numer. Simul., 2015

2014

An alternating extragradient method with non euclidean projections for saddle point problems.

[BibT_eX]

[DOI]

Comput. Optim. Appl., 2014

Primal-dual first order methods for total variation image restoration in presence of poisson noise.

[BibT_eX]

[DOI]

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2013

Guest editorial.

[BibT_eX]

[DOI]

Mario Bertero

Comput. Optim. Appl., 2013

2012

On the Convergence of Primal-Dual Hybrid Gradient Algorithms for Total Variation Image Restoration.

[BibT_eX]

[DOI]

J. Math. Imaging Vis., 2012

2010

Iterative regularization algorithms for constrained image deblurring on graphics processors.

[BibT_eX]

[DOI]

J. Glob. Optim., 2010

2007

On the solution of indefinite systems arising in nonlinear programming problems.

[BibT_eX]

[DOI]

Federica Tinti

Numer. Linear Algebra Appl., 2007

Some iterative methods for the solution of a symmetric indefinite KKT system.

[BibT_eX]

[DOI]

Comput. Optim. Appl., 2007

Inner solvers for interior point methods for large scale nonlinear programming.

[BibT_eX]

[DOI]

Comput. Optim. Appl., 2007

2006

A preconditioner for solving large-scale variational inequality problems by a semismooth inexact approach.

[BibT_eX]

[DOI]

Federica Tinti

Int. J. Comput. Math., 2006

2005

An inexact Newton method combined with Hestenes multipliers' scheme for the solution of Karush-Kuhn-Tucker systems.

[BibT_eX]

[DOI]

Appl. Math. Comput., 2005

2003

Numerical solution of special linear and quadratic programs via a parallel interior-point method.

[BibT_eX]

[DOI]

Carla Durazzi

Parallel Comput., 2003

Indefinitely preconditioned conjugate gradient method for large sparse equality and inequality constrained quadratic problems.

[BibT_eX]

[DOI]

Carla Durazzi

Numer. Linear Algebra Appl., 2003

1998

A minimization method for the solution of large symmetriric eigenproblems.

[BibT_eX]

[DOI]

Int. J. Comput. Math., 1998

1997

Splitting methods for quadratic optimization in data analysis.

[BibT_eX]

[DOI]

Int. J. Comput. Math., 1997

1995

Implementation of splitting methods for solving block tridiagonal linear systems on transputers.

[BibT_eX]

[DOI]

Proceedings of the 3rd Euromicro Workshop on Parallel and Distributed Processing (PDP '95), 1995

An Application of the Indirect Approximation Problem on Heterogeneous Computer Systems.

[BibT_eX]

Elena Loli Piccolomini

Fabiana Zama

Proceedings of the Parallel Computing: State-of-the-Art and Perspectives, 1995

1994

A Polynomial Preconditioner for Block Tridiagonal Matrices.

[BibT_eX]

[DOI]

Parallel Algorithms Appl., 1994

1993

A Parallel Preconditioner for Block Tridiagonal Matrices.

[BibT_eX]

Proceedings of the Parallel Computing: Trends and Applications, 1993

1989

Solving large systems of linear ordinary differential equations on a vector computer.

[BibT_eX]

[DOI]

Ilio Galligani