Benedetta Morini

Publication Activity (10 Years)

Years Active: 1995-2023
Publications (10 Years): 23

Top Topics

Convex Optimization

Interior Point Methods

Quadratic Programming

Top Venues

Comput. Optim. Appl.

J. Optim. Theory Appl.

Publications

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) (2023)
Stefania Bellavia, Greta Malaspina, Benedetta Morini
Inexact Newton methods with matrix approximation by sampling for nonlinear least-squares and systems. CoRR (2023)
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) (2023)
Stefania Bellavia, Benedetta Morini, Simone Rebegoldi
On the Convergence Properties of a Stochastic Trust-Region Method with Inexact Restoration. Axioms 12 (1) (2023)
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 (2022)
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) (2022)
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 (2022)
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 (2021)
Stefania Bellavia, Natasa Krejic, Benedetta Morini, Simone Rebegoldi
A stochastic first-order trust-region method with inexact restoration for finite-sum minimization. CoRR (2021)
Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint
The Impact of Noise on Evaluation Complexity: The Deterministic Trust-Region Case. CoRR (2021)
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)
Stefania Bellavia, Natasa Krejic, Benedetta Morini
Inexact restoration with subsampled trust-region methods for finite-sum minimization. Comput. Optim. Appl. 76 (3) (2020)
Enrico Meli, Benedetta Morini, Margherita Porcelli, Cristina Sgattoni
Solving nonlinear systems of equations via spectral residual methods: stepsize selection and applications. CoRR (2020)
Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint
Adaptive Regularization Algorithms with Inexact Evaluations for Nonconvex Optimization. SIAM J. Optim. 29 (4) (2019)
Benedetta Morini
On Partial Cholesky Factorization and a Variant of Quasi-Newton Preconditioners for Symmetric Positive Definite Matrices. Axioms 7 (3) (2018)
Benedetta Morini, Margherita Porcelli, Philippe L. Toint
Approximate norm descent methods for constrained nonlinear systems. Math. Comput. 87 (311) (2018)
Leopoldo Marini, Benedetta Morini, Margherita Porcelli
Quasi-Newton methods for constrained nonlinear systems: complexity analysis and applications. Comput. Optim. Appl. 71 (1) (2018)
Stefania Bellavia, Gianmarco Gurioli, Benedetta Morini, Philippe L. Toint
Deterministic and stochastic inexact regularization algorithms for nonconvex optimization with optimal complexity. CoRR (2018)
Benedetta Morini, Valeria Simoncini, Mattia Tani
A comparison of reduced and unreduced KKT systems arising from interior point methods. Comput. Optim. Appl. 68 (1) (2017)
Benedetta Morini, Valeria Simoncini
Stability and Accuracy of Inexact Interior Point Methods for Convex Quadratic Programming. J. Optim. Theory Appl. 175 (2) (2017)
Benedetta Morini, Valeria Simoncini, Mattia Tani
Spectral estimates for unreduced symmetric KKT systems arising from Interior Point methods. Numer. Linear Algebra Appl. 23 (5) (2016)
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) (2016)
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) (2016)
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) (2015)
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) (2015)
Stefania Bellavia, Benedetta Morini, Margherita Porcelli
New updates of incomplete LU factorizations and applications to large nonlinear systems. Optim. Methods Softw. 29 (2) (2014)
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)
Benedetta Morini, Margherita Porcelli
TRESNEI, a Matlab trust-region solver for systems of nonlinear equalities and inequalities. Comput. Optim. Appl. 51 (1) (2012)
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) (2012)
Stefania Bellavia, Jacek Gondzio, Benedetta Morini
Computational experience with numerical methods for nonnegative least-squares problems. Numer. Linear Algebra Appl. 18 (3) (2011)
Stefania Bellavia, Valentina De Simone, Daniela di Serafino, Benedetta Morini
Efficient Preconditioner Updates for Shifted Linear Systems. SIAM J. Sci. Comput. 33 (4) (2011)
Stefania Bellavia, Daniele Bertaccini, Benedetta Morini
Nonsymmetric Preconditioner Updates in Newton-Krylov Methods for Nonlinear Systems. SIAM J. Sci. Comput. 33 (5) (2011)
Benedetta Morini, Margherita Porcelli, Raymond H. Chan
A reduced Newton method for constrained linear least-squares problems. J. Comput. Appl. Math. 233 (9) (2010)
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) (2010)
Maria Macconi, Benedetta Morini, Margherita Porcelli
A Gauss-Newton method for solving bound-constrained underdetermined nonlinear systems. Optim. Methods Softw. 24 (2) (2009)
Stefania Bellavia, Jacek Gondzio, Benedetta Morini
Regularization and preconditioning of KKT systems arising in nonnegative least-squares problems. Numer. Linear Algebra Appl. 16 (1) (2009)
Stefania Bellavia, Benedetta Morini
Subspace Trust-Region Methods for Large Bound-Constrained Nonlinear Equations. SIAM J. Numer. Anal. 44 (4) (2006)
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) (2006)
Stefania Bellavia, Stefano Lodi, Benedetta Morini
Inferences on Kernel Density Estimates by Solving Nonlinear Systems. SSDBM (2006)
Stefania Bellavia, Benedetta Morini
An interior global method for nonlinear systems with simple bounds. Optim. Methods Softw. 20 (4-5) (2005)
Stefania Bellavia, Maria Macconi, Benedetta Morini
STRSCNE: A Scaled Trust-Region Solver for Constrained Nonlinear Equations. Comput. Optim. Appl. 28 (1) (2004)
Stefania Bellavia, Benedetta Morini
A Globally Convergent Newton-GMRES Subspace Method for Systems of Nonlinear Equations. SIAM J. Sci. Comput. 23 (3) (2001)
Stefania Bellavia, Maria Macconi, Benedetta Morini
A Hybrid Newton-GMRES Method for Solving Nonlinear Equations. NAA (2000)
Benedetta Morini, Maria Macconi
Inexact Methods in the Numerical Solution of Stiff Initial Value Problems. Computing 63 (3) (1999)
Benedetta Morini
Convergence behaviour of inexact Newton methods. Math. Comput. 68 (228) (1999)
Stefania Bellavia, Maria Macconi, Benedetta Morini
The Switching-Method in Multiple Shooting. Computing 60 (3) (1998)
Luca Dieci, Benedetta Morini, Alessandra Papini
Computational Techniques for Real Logarithms of Matrices. SIAM J. Matrix Anal. Appl. 17 (3) (1996)
Maria Grazia Gasparo, Benedetta Morini, Alessandra Papini
A Parallel Method for Quasilinear Problems. Parallel Algorithms Appl. 6 (1) (1995)