Valeria Ruggiero - researchr alias

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Viewing Publication 1 - 44 from 44

2024

A stochastic gradient method with variance control and variable learning rate for Deep LearningGiorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni. jcam, 451:116083, 2024. [doi]

2023

Hybrid limited memory gradient projection methods for box-constrained optimization problemsSerena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni. coap, 84(1):151-189, 2023. [doi]

Diagonal Barzilai-Borwein Rules in Stochastic Gradient-Like MethodsGiorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni. ola 2023: 21-35 [doi]

Line Search Stochastic Gradient Algorithm with A-priori Rule for Monitoring the Control of the VarianceGiorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni. numta 2023: 94-107 [doi]

A Line Search Based Proximal Stochastic Gradient Algorithm with Dynamical Variance ReductionGiorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini. jscic, 94(1):23, 2023. [doi]

Correction to: A Line Search Based Proximal Stochastic Gradient Algorithm with Dynamical Variance ReductionGiorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini. jscic, 96(2):48, August 2023. [doi]

Special issue for SIMAI 2020-2021: large-scale optimization and applicationsValeria Ruggiero, Gerardo Toraldo. coap, 84(1):1-4, 2023. [doi]

2021

2020

Spectral Properties of Barzilai-Borwein Rules in Solving Singly Linearly Constrained Optimization Problems Subject to Lower and Upper BoundsSerena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni. siamjo, 30(2):1300-1326, 2020. [doi]

Steplength and Mini-batch Size Selection in Stochastic Gradient MethodsGiorgia Franchini, Valeria Ruggiero, Luca Zanni. mod 2020: 259-263 [doi]

Ritz-like values in steplength selections for stochastic gradient methodsGiorgia Franchini, Valeria Ruggiero, Luca Zanni. soco, 24(23):17573-17588, 2020. [doi]

2019

A Limited Memory Gradient Projection Method for Box-Constrained Quadratic Optimization ProblemsSerena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni. numta 2020: 161-176 [doi]

Steplength selection in gradient projection methods for box-constrained quadratic programsSerena Crisci, Valeria Ruggiero, Luca Zanni. amc, 356:312-327, 2019. [doi]

On the Steplength Selection in Stochastic Gradient MethodsGiorgia Franchini, Valeria Ruggiero, Luca Zanni. numta 2020: 186-197 [doi]

2018

2016

Scaling Techniques for ε-Subgradient MethodsSilvia Bonettini, Alessandro Benfenati, Valeria Ruggiero. siamjo, 26(3):1741-1772, 2016. [doi]

A Variable Metric Forward-Backward Method with ExtrapolationSilvia Bonettini, Federica Porta, Valeria Ruggiero. siamsc, 38(4), 2016. [doi]

Numerical minimization of a second-order functional for image segmentationMassimo Zanetti, Valeria Ruggiero, Michele Miranda Jr.. cnsns, 36:528-548, 2016. [doi]

2015

Inexact Bregman iteration for deconvolution of superimposed extended and point sourcesAlessandro Benfenati, Valeria Ruggiero. cnsns, 20(3):882-896, 2015. [doi]

Reprint of Inexact Bregman iteration for deconvolution of superimposed extended and point sourcesAlessandro Benfenati, Valeria Ruggiero. cnsns, 21(1-3):210-224, 2015. [doi]

Numerical Methods for Parameter Estimation in Poisson Data InversionLuca Zanni, Alessandro Benfenati, Mario Bertero, Valeria Ruggiero. jmiv, 52(3):397-413, 2015. [doi]

2014

Primal-dual first order methods for total variation image restoration in presence of poisson noiseSilvia Bonettini, Alessandro Benfenati, Valeria Ruggiero. icip 2014: 4156-4160 [doi]

An alternating extragradient method with non euclidean projections for saddle point problemsSilvia Bonettini, Valeria Ruggiero. coap, 59(3):511-540, 2014. [doi]

2013

Guest editorialMario Bertero, Valeria Ruggiero, Luca Zanni. coap, 54(2):211-213, 2013. [doi]

2012

On the Convergence of Primal-Dual Hybrid Gradient Algorithms for Total Variation Image RestorationSilvia Bonettini, Valeria Ruggiero. jmiv, 44(3):236-253, 2012. [doi]

2010

Iterative regularization algorithms for constrained image deblurring on graphics processorsValeria Ruggiero, Thomas Serafini, Riccardo Zanella, Luca Zanni. jgo, 48(1):145-157, 2010. [doi]

2007

On the solution of indefinite systems arising in nonlinear programming problemsSilvia Bonettini, Valeria Ruggiero, Federica Tinti. nla, 14(10):807-831, 2007. [doi]

Some iterative methods for the solution of a symmetric indefinite KKT systemSilvia Bonettini, Valeria Ruggiero. coap, 38(1):3-25, 2007. [doi]

Inner solvers for interior point methods for large scale nonlinear programmingSilvia Bonettini, Emanuele Galligani, Valeria Ruggiero. coap, 37(1):1-34, 2007. [doi]

2006

A preconditioner for solving large-scale variational inequality problems by a semismooth inexact approachValeria Ruggiero, Federica Tinti. ijcm, 83(10):723-739, 2006. [doi]

2005

An inexact Newton method combined with Hestenes multipliers scheme for the solution of Karush-Kuhn-Tucker systemsSilvia Bonettini, Emanuele Galligani, Valeria Ruggiero. amc, 168(1):651-676, 2005. [doi]

2003

Numerical solution of special linear and quadratic programs via a parallel interior-point methodC. Durazzi, Valeria Ruggiero. pc, 29(4):485-503, 2003. [doi]

Indefinitely preconditioned conjugate gradient method for large sparse equality and inequality constrained quadratic problemsC. Durazzi, Valeria Ruggiero. nla, 10(8):673-688, 2003. [doi]

1998

A minimization method for the solution of large symmetriric eigenproblemsEmanuele Galligani, Valeria Ruggiero, Luca Zanni. ijcm, 70(1):99-115, 1998. [doi]

1997

Splitting methods for quadratic optimization in data analysisEmanuele Galligani, Valeria Ruggiero, Luca Zanni. ijcm, 63(3-4):289-307, 1997. [doi]

1995

Implementation of splitting methods for solving block tridiagonal linear systems on transputersEmanuele Galligani, Valeria Ruggiero. pdp 1995: 409-415 [doi]

1994

A Polynomial Preconditioner for Block Tridiagonal MatricesEmanuele Galligani, Valeria Ruggiero. paapp, 3(3-4):227-237, 1994. [doi]

1993

A Parallel Preconditioner for Block Tridiagonal MatricesEmanuele Galligani, Valeria Ruggiero. parco 1994: 113-120

1989

Solving large systems of linear ordinary differential equations on a vector computerIlio Galligani, Valeria Ruggiero. pc, 9(3):359-365, 1989.

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