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2020 – today
- 2024
[j40]Stefania Bellavia
, Benedetta Morini, Simone Rebegoldi:
An investigation of stochastic trust-region based algorithms for finite-sum minimization. Optim. Methods Softw. 39(5): 937-966 (2024)- 2023
- [j39]Stefania Bellavia, Benedetta Morini, Simone Rebegoldi:
On the Convergence Properties of a Stochastic Trust-Region Method with Inexact Restoration. Axioms 12(1): 38 (2023) - [j38]Stefania Bellavia, Natasa Krejic, Benedetta Morini, Simone Rebegoldi:
A stochastic first-order trust-region method with inexact restoration for finite-sum minimization. Comput. Optim. Appl. 84(1): 53-84 (2023) - [j37]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
The Impact of Noise on Evaluation Complexity: The Deterministic Trust-Region Case. J. Optim. Theory Appl. 196(2): 700-729 (2023) - [i6]Stefania Bellavia, Greta Malaspina, Benedetta Morini:
Inexact Newton methods with matrix approximation by sampling for nonlinear least-squares and systems. CoRR abs/2310.05501 (2023) - 2022
- [j36]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
Trust-region algorithms: Probabilistic complexity and intrinsic noise with applications to subsampling techniques. EURO J. Comput. Optim. 10: 100043 (2022) - [j35]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
Adaptive regularization for nonconvex optimization using inexact function values and randomly perturbed derivatives. J. Complex. 68: 101591 (2022) - [j34]Enrico Meli, Benedetta Morini, Margherita Porcelli, Cristina Sgattoni:
Solving Nonlinear Systems of Equations Via Spectral Residual Methods: Stepsize Selection and Applications. J. Sci. Comput. 90(1): 30 (2022) - 2021
- [c3]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
Quadratic and Cubic Regularisation Methods with Inexact function and Random Derivatives for Finite-Sum Minimisation. ICCSA (Workshops) 2021: 258-267 - [i5]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
Quadratic and Cubic Regularisation Methods with Inexact function and Random Derivatives for Finite-Sum Minimisation. CoRR abs/2104.00592 (2021) - [i4]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
The Impact of Noise on Evaluation Complexity: The Deterministic Trust-Region Case. CoRR abs/2104.02519 (2021) - [i3]Stefania Bellavia, Natasa Krejic, Benedetta Morini, Simone Rebegoldi:
A stochastic first-order trust-region method with inexact restoration for finite-sum minimization. CoRR abs/2107.03129 (2021) - 2020
- [j33]Stefania Bellavia, Natasa Krejic, Benedetta Morini:
Inexact restoration with subsampled trust-region methods for finite-sum minimization. Comput. Optim. Appl. 76(3): 701-736 (2020) - [i2]Enrico Meli, Benedetta Morini, Margherita Porcelli, Cristina Sgattoni:
Solving nonlinear systems of equations via spectral residual methods: stepsize selection and applications. CoRR abs/2005.05851 (2020)
2010 – 2019
- 2019
- [j32]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
Adaptive Regularization Algorithms with Inexact Evaluations for Nonconvex Optimization. SIAM J. Optim. 29(4): 2881-2915 (2019) - 2018
- [j31]Benedetta Morini:
On Partial Cholesky Factorization and a Variant of Quasi-Newton Preconditioners for Symmetric Positive Definite Matrices. Axioms 7(3): 44 (2018) - [j30]Leopoldo Marini, Benedetta Morini, Margherita Porcelli:
Quasi-Newton methods for constrained nonlinear systems: complexity analysis and applications. Comput. Optim. Appl. 71(1): 147-170 (2018) - [j29]Benedetta Morini, Margherita Porcelli, Philippe L. Toint:
Approximate norm descent methods for constrained nonlinear systems. Math. Comput. 87(311): 1327-1351 (2018) - [i1]Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint:
Deterministic and stochastic inexact regularization algorithms for nonconvex optimization with optimal complexity. CoRR abs/1811.03831 (2018) - 2017
- [j28]Benedetta Morini, Valeria Simoncini, Mattia Tani:
A comparison of reduced and unreduced KKT systems arising from interior point methods. Comput. Optim. Appl. 68(1): 1-27 (2017) - [j27]Benedetta Morini, Valeria Simoncini:
Stability and Accuracy of Inexact Interior Point Methods for Convex Quadratic Programming. J. Optim. Theory Appl. 175(2): 450-477 (2017) - 2016
- [j26]Stefania Bellavia, Benedetta Morini, Elisa Riccietti:
On an adaptive regularization for ill-posed nonlinear systems and its trust-region implementation. Comput. Optim. Appl. 64(1): 1-30 (2016) - [j25]Stefania Bellavia, Valentina De Simone, Daniela di Serafino, Benedetta Morini:
On the update of constraint preconditioners for regularized KKT systems. Comput. Optim. Appl. 65(2): 339-360 (2016) - [j24]Benedetta Morini, Valeria Simoncini, Mattia Tani:
Spectral estimates for unreduced symmetric KKT systems arising from Interior Point methods. Numer. Linear Algebra Appl. 23(5): 776-800 (2016) - 2015
- [j23]Tommaso Bianconcini, Giampaolo Liuzzi, Benedetta Morini, Marco Sciandrone:
On the use of iterative methods in cubic regularization for unconstrained optimization. Comput. Optim. Appl. 60(1): 35-57 (2015) - [j22]Stefania Bellavia, Valentina De Simone, Daniela di Serafino, Benedetta Morini:
Updating Constraint Preconditioners for KKT Systems in Quadratic Programming Via Low-Rank Corrections. SIAM J. Optim. 25(3): 1787-1808 (2015) - 2014
- [j21]Stefania Bellavia, Benedetta Morini, Margherita Porcelli:
New updates of incomplete LU factorizations and applications to large nonlinear systems. Optim. Methods Softw. 29(2): 321-340 (2014) - 2013
- [j20]Stefania Bellavia, Jacek Gondzio, Benedetta Morini:
A Matrix-Free Preconditioner for Sparse Symmetric Positive Definite Systems and Least-Squares Problems. SIAM J. Sci. Comput. 35(1) (2013) - 2012
- [j19]Benedetta Morini, Margherita Porcelli:
TRESNEI, a Matlab trust-region solver for systems of nonlinear equalities and inequalities. Comput. Optim. Appl. 51(1): 27-49 (2012) - [j18]Stefania Bellavia, Valentina De Simone, Daniela di Serafino, Benedetta Morini:
A Preconditioning Framework for Sequences of Diagonally Modified Linear Systems Arising in Optimization. SIAM J. Numer. Anal. 50(6): 3280-3302 (2012) - 2011
- [j17]Stefania Bellavia, Jacek Gondzio, Benedetta Morini:
Computational experience with numerical methods for nonnegative least-squares problems. Numer. Linear Algebra Appl. 18(3): 363-385 (2011) - [j16]Stefania Bellavia, Valentina De Simone, Daniela di Serafino, Benedetta Morini:
Efficient Preconditioner Updates for Shifted Linear Systems. SIAM J. Sci. Comput. 33(4): 1785-1809 (2011) - [j15]Stefania Bellavia, Daniele Bertaccini, Benedetta Morini:
Nonsymmetric Preconditioner Updates in Newton-Krylov Methods for Nonlinear Systems. SIAM J. Sci. Comput. 33(5): 2595-2619 (2011) - 2010
- [j14]Benedetta Morini, Margherita Porcelli, Raymond H. Chan:
A reduced Newton method for constrained linear least-squares problems. J. Comput. Appl. Math. 233(9): 2200-2212 (2010) - [j13]Stefania Bellavia, Coralia Cartis, Nicholas I. M. Gould, Benedetta Morini, Philippe L. Toint:
Convergence of a Regularized Euclidean Residual Algorithm for Nonlinear Least-Squares. SIAM J. Numer. Anal. 48(1): 1-29 (2010)
2000 – 2009
- 2009
- [j12]Stefania Bellavia, Jacek Gondzio, Benedetta Morini:
Regularization and preconditioning of KKT systems arising in nonnegative least-squares problems. Numer. Linear Algebra Appl. 16(1): 39-61 (2009) - [j11]Maria Macconi, Benedetta Morini, Margherita Porcelli:
A Gauss-Newton method for solving bound-constrained underdetermined nonlinear systems. Optim. Methods Softw. 24(2): 219-235 (2009) - 2006
- [j10]Stefania Bellavia, Maria Macconi, Benedetta Morini:
An interior point Newton-like method for non-negative least-squares problems with degenerate solution. Numer. Linear Algebra Appl. 13(10): 825-846 (2006) - [j9]Stefania Bellavia, Benedetta Morini:
Subspace Trust-Region Methods for Large Bound-Constrained Nonlinear Equations. SIAM J. Numer. Anal. 44(4): 1535-1555 (2006) - [c2]Stefania Bellavia, Stefano Lodi, Benedetta Morini:
Inferences on Kernel Density Estimates by Solving Nonlinear Systems. SSDBM 2006: 389-397 - 2005
- [j8]Stefania Bellavia, Benedetta Morini:
An interior global method for nonlinear systems with simple bounds. Optim. Methods Softw. 20(4-5): 453-474 (2005) - 2004
- [j7]Stefania Bellavia, Maria Macconi, Benedetta Morini:
STRSCNE: A Scaled Trust-Region Solver for Constrained Nonlinear Equations. Comput. Optim. Appl. 28(1): 31-50 (2004) - 2001
- [j6]Stefania Bellavia, Benedetta Morini:
A Globally Convergent Newton-GMRES Subspace Method for Systems of Nonlinear Equations. SIAM J. Sci. Comput. 23(3): 940-960 (2001) - 2000
- [c1]Stefania Bellavia, Maria Macconi, Benedetta Morini:
A Hybrid Newton-GMRES Method for Solving Nonlinear Equations. NAA 2000: 68-75
1990 – 1999
- 1999
- [j5]Benedetta Morini, Maria Macconi:
Inexact Methods in the Numerical Solution of Stiff Initial Value Problems. Computing 63(3): 265-281 (1999) - [j4]Benedetta Morini:
Convergence behaviour of inexact Newton methods. Math. Comput. 68(228): 1605-1613 (1999) - 1998
- [j3]Stefania Bellavia, Maria Macconi, Benedetta Morini:
The Switching-Method in Multiple Shooting. Computing 60(3): 275-283 (1998) - 1996
- [j2]Luca Dieci, Benedetta Morini, Alessandra Papini:
Computational Techniques for Real Logarithms of Matrices. SIAM J. Matrix Anal. Appl. 17(3): 570-593 (1996) - 1995
- [j1]Maria Grazia Gasparo, Benedetta Morini, Alessandra Papini:
A Parallel Method for Quasilinear Problems. Parallel Algorithms Appl. 6(1): 79-86 (1995)
Coauthor Index
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