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ORCIDValeria Ruggiero
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2020 – today
- 2024
[j35]Giorgia Franchini
, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni:
A stochastic gradient method with variance control and variable learning rate for Deep Learning. J. Comput. Appl. Math. 451: 116083 (2024)- 2023
- [j34]Valeria Ruggiero, Gerardo Toraldo:
Special issue for SIMAI 2020-2021: large-scale optimization and applications. Comput. Optim. Appl. 84(1): 1-4 (2023) - [j33]Serena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni:
Hybrid limited memory gradient projection methods for box-constrained optimization problems. Comput. Optim. Appl. 84(1): 151-189 (2023) - [j32]Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini:
A Line Search Based Proximal Stochastic Gradient Algorithm with Dynamical Variance Reduction. J. Sci. Comput. 94(1): 23 (2023) - [j31]Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini:
Correction to: A Line Search Based Proximal Stochastic Gradient Algorithm with Dynamical Variance Reduction. J. Sci. Comput. 96(2): 48 (2023) - [c9]Giorgia Franchini, Federica Porta, Valeria Ruggiero, Ilaria Trombini, Luca Zanni:
Diagonal Barzilai-Borwein Rules in Stochastic Gradient-Like Methods. OLA 2023: 21-35 - 2021
- [j30]Silvia Bonettini, Federica Porta, Valeria Ruggiero, Luca Zanni:
Variable metric techniques for forward-backward methods in imaging. J. Comput. Appl. Math. 385: 113192 (2021) - [j29]Serena Crisci, Michele Piana, Valeria Ruggiero, Mara Scussolini:
A Regularized Affine-Scaling Trust-Region Method for Parametric Imaging of Dynamic PET Data. SIAM J. Imaging Sci. 14(1): 418-439 (2021) - [c8]Giorgia Franchini, Valeria Ruggiero, Ilaria Trombini:
Thresholding Procedure via Barzilai-Borwein Rules for the Steplength Selection in Stochastic Gradient Methods. LOD 2021: 277-282 - 2020
- [j28]Serena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni:
Spectral Properties of Barzilai-Borwein Rules in Solving Singly Linearly Constrained Optimization Problems Subject to Lower and Upper Bounds. SIAM J. Optim. 30(2): 1300-1326 (2020) - [j27]Giorgia Franchini, Valeria Ruggiero, Luca Zanni:
Ritz-like values in steplength selections for stochastic gradient methods. Soft Comput. 24(23): 17573-17588 (2020) - [c7]Giorgia Franchini, Valeria Ruggiero, Luca Zanni:
Steplength and Mini-batch Size Selection in Stochastic Gradient Methods. LOD (2) 2020: 259-263
2010 – 2019
- 2019
- [j26]Serena Crisci, Valeria Ruggiero, Luca Zanni:
Steplength selection in gradient projection methods for box-constrained quadratic programs. Appl. Math. Comput. 356: 312-327 (2019) - [c6]Serena Crisci, Federica Porta, Valeria Ruggiero, Luca Zanni:
A Limited Memory Gradient Projection Method for Box-Constrained Quadratic Optimization Problems. NUMTA(1) 2019: 161-176 - [c5]Giorgia Franchini, Valeria Ruggiero, Luca Zanni:
On the Steplength Selection in Stochastic Gradient Methods. NUMTA(1) 2019: 186-197 - [i1]Serena Crisci, Michele Piana, Valeria Ruggiero, Mara Scussolini:
Computational approaches for parametric imaging of dynamic PET data. CoRR abs/1908.11139 (2019) - 2018
- [j25]Riccardo Zanella, Federica Porta, Valeria Ruggiero, Massimo Zanetti:
Serial and parallel approaches for image segmentation by numerical minimization of a second-order functional. Appl. Math. Comput. 318: 153-175 (2018) - [j24]Daniela di Serafino, Valeria Ruggiero, Gerardo Toraldo, Luca Zanni:
On the steplength selection in gradient methods for unconstrained optimization. Appl. Math. Comput. 318: 176-195 (2018) - [j23]Valeria Ruggiero, Gerardo Toraldo:
Introduction to the special issue for SIMAI 2016. Comput. Optim. Appl. 71(1): 1-3 (2018) - [j22]Silvia Bonettini, Simone Rebegoldi, Valeria Ruggiero:
Inertial Variable Metric Techniques for the Inexact Forward-Backward Algorithm. SIAM J. Sci. Comput. 40(5): A3180-A3210 (2018) - 2016
- [j21]Massimo Zanetti, Valeria Ruggiero, Michele Miranda Jr.:
Numerical minimization of a second-order functional for image segmentation. Commun. Nonlinear Sci. Numer. Simul. 36: 528-548 (2016) - [j20]Silvia Bonettini, Alessandro Benfenati, Valeria Ruggiero:
Scaling Techniques for ε-Subgradient Methods. SIAM J. Optim. 26(3): 1741-1772 (2016) - [j19]Silvia Bonettini, Federica Porta, Valeria Ruggiero:
A Variable Metric Forward-Backward Method with Extrapolation. SIAM J. Sci. Comput. 38(4) (2016) - 2015
- [j18]Alessandro Benfenati, Valeria Ruggiero:
Inexact Bregman iteration for deconvolution of superimposed extended and point sources. Commun. Nonlinear Sci. Numer. Simul. 20(3): 882-896 (2015) - [j17]Alessandro Benfenati, Valeria Ruggiero:
Reprint of Inexact Bregman iteration for deconvolution of superimposed extended and point sources. Commun. Nonlinear Sci. Numer. Simul. 21(1-3): 210-224 (2015) - [j16]Luca Zanni, Alessandro Benfenati, Mario Bertero, Valeria Ruggiero:
Numerical Methods for Parameter Estimation in Poisson Data Inversion. J. Math. Imaging Vis. 52(3): 397-413 (2015) - 2014
- [j15]Silvia Bonettini, Valeria Ruggiero:
An alternating extragradient method with non euclidean projections for saddle point problems. Comput. Optim. Appl. 59(3): 511-540 (2014) - [c4]Silvia Bonettini, Alessandro Benfenati, Valeria Ruggiero:
Primal-dual first order methods for total variation image restoration in presence of poisson noise. ICIP 2014: 4156-4160 - 2013
- [j14]Mario Bertero, Valeria Ruggiero, Luca Zanni:
Guest editorial. Comput. Optim. Appl. 54(2): 211-213 (2013) - 2012
- [j13]Silvia Bonettini, Valeria Ruggiero:
On the Convergence of Primal-Dual Hybrid Gradient Algorithms for Total Variation Image Restoration. J. Math. Imaging Vis. 44(3): 236-253 (2012) - 2010
- [j12]Valeria Ruggiero, Thomas Serafini, Riccardo Zanella, Luca Zanni:
Iterative regularization algorithms for constrained image deblurring on graphics processors. J. Glob. Optim. 48(1): 145-157 (2010)
2000 – 2009
- 2007
- [j11]Silvia Bonettini, Emanuele Galligani, Valeria Ruggiero:
Inner solvers for interior point methods for large scale nonlinear programming. Comput. Optim. Appl. 37(1): 1-34 (2007) - [j10]Silvia Bonettini, Valeria Ruggiero:
Some iterative methods for the solution of a symmetric indefinite KKT system. Comput. Optim. Appl. 38(1): 3-25 (2007) - [j9]Silvia Bonettini, Valeria Ruggiero, Federica Tinti:
On the solution of indefinite systems arising in nonlinear programming problems. Numer. Linear Algebra Appl. 14(10): 807-831 (2007) - 2006
- [j8]Valeria Ruggiero, Federica Tinti:
A preconditioner for solving large-scale variational inequality problems by a semismooth inexact approach. Int. J. Comput. Math. 83(10): 723-739 (2006) - 2005
- [j7]Silvia Bonettini, Emanuele Galligani, Valeria Ruggiero:
An inexact Newton method combined with Hestenes multipliers' scheme for the solution of Karush-Kuhn-Tucker systems. Appl. Math. Comput. 168(1): 651-676 (2005) - 2003
- [j6]Carla Durazzi, Valeria Ruggiero:
Indefinitely preconditioned conjugate gradient method for large sparse equality and inequality constrained quadratic problems. Numer. Linear Algebra Appl. 10(8): 673-688 (2003) - [j5]Carla Durazzi, Valeria Ruggiero:
Numerical solution of special linear and quadratic programs via a parallel interior-point method. Parallel Comput. 29(4): 485-503 (2003)
1990 – 1999
- 1998
- [j4]Emanuele Galligani, Valeria Ruggiero, Luca Zanni:
A minimization method for the solution of large symmetriric eigenproblems. Int. J. Comput. Math. 70(1): 99-115 (1998) - 1997
- [j3]Emanuele Galligani, Valeria Ruggiero, Luca Zanni:
Splitting methods for quadratic optimization in data analysis. Int. J. Comput. Math. 63(3-4): 289-307 (1997) - 1995
- [c3]Elena Loli Piccolomini, Valeria Ruggiero, Fabiana Zama:
An Application of the Indirect Approximation Problem on Heterogeneous Computer Systems. PARCO 1995: 689-692 - [c2]Emanuele Galligani, Valeria Ruggiero:
Implementation of splitting methods for solving block tridiagonal linear systems on transputers. PDP 1995: 409-415 - 1994
- [j2]Emanuele Galligani, Valeria Ruggiero:
A Polynomial Preconditioner for Block Tridiagonal Matrices. Parallel Algorithms Appl. 3(3-4): 227-237 (1994) - 1993
- [c1]Emanuele Galligani, Valeria Ruggiero:
A Parallel Preconditioner for Block Tridiagonal Matrices. PARCO 1993: 113-120
1980 – 1989
- 1989
- [j1]Ilio Galligani, Valeria Ruggiero:
Solving large systems of linear ordinary differential equations on a vector computer. Parallel Comput. 9(3): 359-365 (1989)
Coauthor Index
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