Valeria Ruggiero

48 papers B 1C 1Journal 38Unranked 8
YearRankTypeTitle / Venue / Authors
2026 J jnl
Variable metric proximal stochastic gradient methods with additional sampling.
Comput. Optim. Appl.
Natasa Krklec Jerinkic, Federica Porta, Valeria Ruggiero, Ilaria Trombini
2025 J jnl
Spectral stochastic gradient method with additional sampling for finite and infinite sums.
Comput. Optim. Appl.
Natasa Krklec Jerinkic, Valeria Ruggiero, Ilaria Trombini
2024 J jnl
A stochastic gradient method with variance control and variable learning rate for Deep Learning.
J. Comput. Appl. Math.
Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni
2023 J jnl
A Line Search Based Proximal Stochastic Gradient Algorithm with Dynamical Variance Reduction.
J. Sci. Comput.
Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini
2023 J jnl
Correction to: A Line Search Based Proximal Stochastic Gradient Algorithm with Dynamical Variance Reduction.
J. Sci. Comput.
Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini
2023 — conf
Diagonal Barzilai-Borwein Rules in Stochastic Gradient-Like Methods.
OLA
Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni
2023 J jnl
Hybrid limited memory gradient projection methods for box-constrained optimization problems.
Comput. Optim. Appl.
Serena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni
2023 — conf
Line Search Stochastic Gradient Algorithm with A-priori Rule for Monitoring the Control of the Variance.
NUMTA (1)
Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni
2023 J jnl
Special issue for SIMAI 2020-2021: large-scale optimization and applications.
Comput. Optim. Appl.
Valeria Ruggiero, Gerardo Toraldo
2021 J jnl
A Regularized Affine-Scaling Trust-Region Method for Parametric Imaging of Dynamic PET Data.
SIAM J. Imaging Sci.
Serena Crisci, Michele Piana, Valeria Ruggiero, Mara Scussolini
2021 — conf
Thresholding Procedure via Barzilai-Borwein Rules for the Steplength Selection in Stochastic Gradient Methods.
LOD
Giorgia Franchini, Valeria Ruggiero, Ilaria Trombini
2021 J jnl
Variable metric techniques for forward-backward methods in imaging.
J. Comput. Appl. Math.
Silvia Bonettini, Federica Porta, Valeria Ruggiero, Luca Zanni
2020 J jnl
Ritz-like values in steplength selections for stochastic gradient methods.
Soft Comput.
Giorgia Franchini, Valeria Ruggiero, Luca Zanni
2020 J jnl
Spectral Properties of Barzilai-Borwein Rules in Solving Singly Linearly Constrained Optimization Problems Subject to Lower and Upper Bounds.
SIAM J. Optim.
Serena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni
2020 — conf
Steplength and Mini-batch Size Selection in Stochastic Gradient Methods.
LOD (2)
Giorgia Franchini, Valeria Ruggiero, Luca Zanni
2019 — conf
A Limited Memory Gradient Projection Method for Box-Constrained Quadratic Optimization Problems.
NUMTA(1)
Serena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni
2019 J jnl
Computational approaches for parametric imaging of dynamic PET data.
CoRR
Serena Crisci, Michele Piana, Valeria Ruggiero, Mara Scussolini
2019 — conf
On the Steplength Selection in Stochastic Gradient Methods.
NUMTA(1)
Giorgia Franchini, Valeria Ruggiero, Luca Zanni
2019 J jnl
Steplength selection in gradient projection methods for box-constrained quadratic programs.
Appl. Math. Comput.
Serena Crisci, Valeria Ruggiero, Luca Zanni
2018 J jnl
Inertial Variable Metric Techniques for the Inexact Forward-Backward Algorithm.
SIAM J. Sci. Comput.
Silvia Bonettini, Simone Rebegoldi, Valeria Ruggiero
2018 J jnl
Introduction to the special issue for SIMAI 2016.
Comput. Optim. Appl.
Valeria Ruggiero, Gerardo Toraldo
2018 J jnl
On the steplength selection in gradient methods for unconstrained optimization.
Appl. Math. Comput.
Daniela di Serafino, Valeria Ruggiero, Gerardo Toraldo, Luca Zanni
2018 J jnl
Serial and parallel approaches for image segmentation by numerical minimization of a second-order functional.
Appl. Math. Comput.
Riccardo Zanella, Federica Porta, Valeria Ruggiero, Massimo Zanetti
2016 J jnl
A Variable Metric Forward-Backward Method with Extrapolation.
SIAM J. Sci. Comput.
Silvia Bonettini, Federica Porta, Valeria Ruggiero
2016 J jnl
Numerical minimization of a second-order functional for image segmentation.
Commun. Nonlinear Sci. Numer. Simul.
Massimo Zanetti, Valeria Ruggiero, Michele Miranda Jr.
2016 J jnl
Scaling Techniques for ε-Subgradient Methods.
SIAM J. Optim.
Silvia Bonettini, Alessandro Benfenati, Valeria Ruggiero
2015 J jnl
Inexact Bregman iteration for deconvolution of superimposed extended and point sources.
Commun. Nonlinear Sci. Numer. Simul.
Alessandro Benfenati, Valeria Ruggiero
2015 J jnl
Numerical Methods for Parameter Estimation in Poisson Data Inversion.
J. Math. Imaging Vis.
Luca Zanni, Alessandro Benfenati, Mario Bertero, Valeria Ruggiero
2015 J jnl
Reprint of Inexact Bregman iteration for deconvolution of superimposed extended and point sources.
Commun. Nonlinear Sci. Numer. Simul.
Alessandro Benfenati, Valeria Ruggiero
2014 J jnl
An alternating extragradient method with non euclidean projections for saddle point problems.
Comput. Optim. Appl.
Silvia Bonettini, Valeria Ruggiero
2014 B conf
Primal-dual first order methods for total variation image restoration in presence of poisson noise.
ICIP
Silvia Bonettini, Alessandro Benfenati, Valeria Ruggiero
2013 J jnl
Guest editorial.
Comput. Optim. Appl.
Mario Bertero, Valeria Ruggiero, Luca Zanni
2012 J jnl
On the Convergence of Primal-Dual Hybrid Gradient Algorithms for Total Variation Image Restoration.
J. Math. Imaging Vis.
Silvia Bonettini, Valeria Ruggiero
2010 J jnl
Iterative regularization algorithms for constrained image deblurring on graphics processors.
J. Glob. Optim.
Valeria Ruggiero, Thomas Serafini, Riccardo Zanella, Luca Zanni
2007 J jnl
Inner solvers for interior point methods for large scale nonlinear programming.
Comput. Optim. Appl.
Silvia Bonettini, Emanuele Galligani, Valeria Ruggiero
2007 J jnl
On the solution of indefinite systems arising in nonlinear programming problems.
Numer. Linear Algebra Appl.
Silvia Bonettini, Valeria Ruggiero, Federica Tinti
2007 J jnl
Some iterative methods for the solution of a symmetric indefinite KKT system.
Comput. Optim. Appl.
Silvia Bonettini, Valeria Ruggiero
2006 J jnl
A preconditioner for solving large-scale variational inequality problems by a semismooth inexact approach.
Int. J. Comput. Math.
Valeria Ruggiero, Federica Tinti
2005 J jnl
An inexact Newton method combined with Hestenes multipliers' scheme for the solution of Karush-Kuhn-Tucker systems.
Appl. Math. Comput.
Silvia Bonettini, Emanuele Galligani, Valeria Ruggiero
2003 J jnl
Indefinitely preconditioned conjugate gradient method for large sparse equality and inequality constrained quadratic problems.
Numer. Linear Algebra Appl.
Carla Durazzi, Valeria Ruggiero
2003 J jnl
Numerical solution of special linear and quadratic programs via a parallel interior-point method.
Parallel Comput.
Carla Durazzi, Valeria Ruggiero
1998 J jnl
A minimization method for the solution of large symmetriric eigenproblems.
Int. J. Comput. Math.
Emanuele Galligani, Valeria Ruggiero, Luca Zanni
1997 J jnl
Splitting methods for quadratic optimization in data analysis.
Int. J. Comput. Math.
Emanuele Galligani, Valeria Ruggiero, Luca Zanni
1995 — conf
An Application of the Indirect Approximation Problem on Heterogeneous Computer Systems.
PARCO
Elena Loli Piccolomini, Valeria Ruggiero, Fabiana Zama
1995 C conf
Implementation of splitting methods for solving block tridiagonal linear systems on transputers.
PDP
Emanuele Galligani, Valeria Ruggiero
1994 J jnl
A Polynomial Preconditioner for Block Tridiagonal Matrices.
Parallel Algorithms Appl.
Emanuele Galligani, Valeria Ruggiero
1993 — conf
A Parallel Preconditioner for Block Tridiagonal Matrices.
PARCO
Emanuele Galligani, Valeria Ruggiero
1989 J jnl
Solving large systems of linear ordinary differential equations on a vector computer.
Parallel Comput.
Ilio Galligani, Valeria Ruggiero