Margherita PORCELLI

Ruolo attuale:: Professore Associato
SSD:: MATH-05/A - Analisi numerica
Afferenza organizzativa:: Dipartimento di Ingegneria Industriale

Recapiti

	0552758688
	margherita.porcelli(AT)unifi.it

Ulteriori Recapiti

	Ufficio 333 (terzo piano CDM)
	https://sites.google.com/view/margherita-porcelli

Margherita PORCELLI

Orario di ricevimento (aggiornato al 30/08/2024)

Lunedì, fascia oraria: 11.30 - 13.30 (o contattare via email per prendere un appuntamento).

Monday, from 11:30 a.m. to 01.30 p.m. (alternatively, please email me to make an appointment).

Margherita PORCELLI

Curriculum

Membro del gruppo di ricerca NODA

Margherita PORCELLI

Pubblicazioni

Legenda

Contributo su rivista |

Articolo su libro |

Libro |

Contributo in atti di convegno (proceeding) |

Brevetto |

Curatela | Altro

Altro |

Tesi di Dottorato

Cavalli L.; Brandoni D.; Porcelli M.; Pascolo E. (2024). Dictionary Learning for data compression within a Digital Twin Framework. In: 2024 Ital-IA Intelligenza Artificiale - Thematic Workshops, Ital-IA 2024, ita, 2024, CEUR-WS, vol. 3762, pp. 182-187.

Seraghiti G.; Awari A.; Vandaele A.; Porcelli M.; Gillis N. (2023). Accelerated Algorithms For Nonlinear Matrix Decomposition With The Relu Function. In: 33rd IEEE International Workshop on Machine Learning for Signal Processing, Roma, 17-20 Settembre 2023, pp. 1-6, ISBN:979-8-3503-2411-2 DOI

Porcelli M.; Simoncini V. (2023). Numerical solution of a class of quasi-linear matrix equations. LINEAR ALGEBRA AND ITS APPLICATIONS, vol. 664, pp. 349-368, ISSN:0024-3795 DOI Accesso ONLINE all'editore

Girardi M.; Padovani C.; Pellegrini D.; Porcelli M.; Robol L. (2023). Numerical Modelling of Historical Masonry Structures with the Finite Element Code NOSA-ITACA. . Springer INdAM Series, pp. 133-152, Singapore: Springer-Verlag Italia s.r.l., ISBN:978-981-99-3678-6., vol. 55: DOI

Garmatter D.; Porcelli M.; Rinaldi F.; Stoll M. (2023). An improved penalty algorithm using model order reduction for MIPDECO problems with partial observations. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 84, pp. 191-223, ISSN:0926-6003 DOI Accesso ONLINE all'editore

Zhiyong Shi, Martina Meacci, Margherita Porcelli, Enrico Meli, Andrea Rindi (2023). A degraded adhesion model for creep force calculation based on the CONTACT algorithm. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS. PART F, JOURNAL OF RAIL AND RAPID TRANSIT, pp. 0-0, ISSN:0954-4097 DOI

Garmatter D.; Porcelli M.; Rinaldi F.; Stoll M. (2022). Improved penalty algorithm for mixed integer PDE constrained optimization problems. COMPUTERS & MATHEMATICS WITH APPLICATIONS, vol. 116, pp. 2-14, ISSN:0898-1221 DOI Accesso ONLINE all'editore

Padovani C.; Porcelli M. (2022). A semidefinite programming approach for the projection onto the cone of negative semidefinite symmetric tensors with applications to solid mechanics. CALCOLO, vol. 59, pp. 1-31, ISSN:0008-0624 DOI

Porcelli M.; Toint P. L. (2022). Exploiting Problem Structure in Derivative Free Optimization. ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, vol. 48, pp. 1-25, ISSN:0098-3500 DOI Accesso ONLINE all'editore

Enrico Meli, Benedetta Morini, Margherita Porcelli, Cristina Sgattoni (2022). Solving Nonlinear Systems of Equations Via Spectral Residual Methods: Stepsize Selection and Applications. JOURNAL OF SCIENTIFIC COMPUTING, vol. 90, pp. 1-41, ISSN:0885-7474 DOI Accesso ONLINE all'editore

Alessandra Papini, Margherita Porcelli, Cristina Sgattoni (2021). On the global convergence of a new spectral residual algorithm for nonlinear systems of equations. BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA, vol. 14, pp. 367-378, ISSN:1972-6724 DOI Accesso ONLINE all'editore

Stefania Bellavia, Jacek Gondzio, Margherita Porcelli (2021). A Relaxed Interior Point Method for Low-Rank Semidefinite Programming Problems with Applications to Matrix Completion. JOURNAL OF SCIENTIFIC COMPUTING, vol. 89, pp. 0-0, ISSN:0885-7474 DOI Accesso ONLINE all'editore

Pearson J. W.; Porcelli M.; Stoll M. (2020). Interior-point methods and preconditioning for PDE-constrained optimization problems involving sparsity terms. NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, vol. 27, pp. 1-23, ISSN:1070-5325 DOI Accesso ONLINE all'editore

Girardi M.; Padovani C.; Pellegrini D.; Porcelli M.; Robol L. (2020). Finite element model updating for structural applications. JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, vol. 370, pp. 1-19, ISSN:0377-0427 DOI Accesso ONLINE all'editore

Porcelli M.; Toint P. L. (2019). A note on using performance and data profiles for training algorithms. ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, vol. 45, pp. 1-10, ISSN:0098-3500 DOI Accesso ONLINE all'editore

Stefania Bellavia, Jacek Gondzio, Margherita Porcelli (2019). An inexact dual logarithmic barrier method for solving sparse semidefinite programs. MATHEMATICAL PROGRAMMING, vol. 178, pp. 109-143, ISSN:0025-5610 DOI

STEFANIA BELLAVIA, Margherita Porcelli, Jacek Gondzio (2019). IPLR_mc, Interior Point Low-Rank for Matrix Completion SDP reformulation..

Girardi M.; Padovani C.; Pellegrini D.; Porcelli M.; Robol L. (2018). FEA for masonry structures and vibration-based model updating using NOSA-ITACA. In: 10th International Masonry Conference,IMC 2018, Firenze, Italia, 9-11 luglio 2018, International Masonry Society, vol. 0, pp. 723-735. Accesso ONLINE all'editore

Leopoldo Marini, Benedetta Morini, Margherita Porcelli (2018). Quasi-Newton methods for constrained nonlinear systems: complexity analysis and applications. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 71, pp. 147-170, ISSN:1573-2894 DOI

Iannazzo B.; Porcelli M. (2018). The Riemannian Barzilai-Borwein method with nonmonotone line search and the matrix geometric mean computation. IMA JOURNAL OF NUMERICAL ANALYSIS, vol. 38, pp. 495-517, ISSN:0272-4979 DOI Accesso ONLINE all'editore

Morini, Benedetta; Porcelli, Margherita; Toint Philippe, L. (2018). Approximate norm descent methods for constrained nonlinear systems. MATHEMATICS OF COMPUTATION, vol. 87, pp. 1327-1351, ISSN:1088-6842 DOI

Porcelli, Margherita; Simoncini, Valeria; Stoll, Martin (2017). Preconditioning PDE-constrained optimization with L1-sparsity and control constraints. COMPUTERS & MATHEMATICS WITH APPLICATIONS, vol. 74, pp. 1059-1075, ISSN:0898-1221 DOI

Porcelli M.; Toint P. L. (2017). BFO, a trainable derivative-free brute force optimizer for nonlinear bound-constrained optimization and equilibrium computations with continuous and discrete variables. ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, vol. 44, pp. 1-25, ISSN:0098-3500 DOI Accesso ONLINE all'editore

Carcasci, Carlo; Marini, Leopoldo; Morini, Benedetta; Porcelli, Margherita (2016). A new modular procedure for industrial plant simulations and its reliable implementation. ENERGY, vol. 94, pp. 380-390, ISSN:0360-5442 DOI

PORCELLI, MARGHERITA; Vincenzo Binante; Maria Girardi; Cristina Padovani; Giuseppe Pasquinelli (2015). A solution procedure for constrained eigenvalue problems and its application within the structural finite-element code NOSA-ITACA. CALCOLO, vol. 52, pp. 565-589, ISSN:0008-0624 DOI Accesso ONLINE all'editore

Porcelli, M.; SIMONCINI, VALERIA; Tani, M. (2015). Preconditioning of active-set Newton methods for PDE-Constrained optimal control problems. SIAM JOURNAL ON SCIENTIFIC COMPUTING, vol. 37, pp. 472-502, ISSN:1064-8275 DOI Accesso ONLINE all'editore

Carcasci, Carlo; Marini, Leopoldo; Morini, Benedetta; Porcelli, Margherita; Micio, Mirko; Di Pillo, Pier Luigi (2015). Modular tool for the simulation of compressor trains for oil and gas applications. In: 70th Conference of the Italian Thermal Machines Engineering Association, ATI2015, Roma, 9-11 Settembre 2015, Elsevier, vol. 82, pp. 546-553.

PORCELLI, MARGHERITA; Francesco Rinaldi (2014). A variable fixing version of the two-block nonlinear constrained Gauss-Seidel algorithm for l1 -regularized least-squares. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 59, pp. 565-589, ISSN:1573-2894 DOI Accesso ONLINE all'editore

S. Bellavia; B. Morini; M. Porcelli (2014). New updates of incomplete LU factorizations and applications to large nonlinear systems. OPTIMIZATION METHODS & SOFTWARE, vol. 29, pp. 321-340, ISSN:1029-4937 DOI

Stefania Bellavia; Margherita Porcelli (2014). Preconditioning issues in the numerical solution of nonlinear equations and nonlinear least squares. PESQUISA OPERACIONAL, pp. 1-25, ISSN:0101-7438 DOI

PORCELLI M; V. Binante; M. Girardi; C. Padovani; G. Pasquinelli; D. Pellegrini (2013). On the numerical solution of constrained eigenvalue problems in structural engineering. , in Recent Advances on Optimization

PORCELLI, MARGHERITA (2013). On the convergence of an inexact Gauss-Newton trust-region method for nonlinear least-squares problems with simple bounds. OPTIMIZATION LETTERS, vol. 7, pp. 447-465, ISSN:1862-4472 DOI Accesso ONLINE all'editore

Nicholas I. M. Gould; PORCELLI, MARGHERITA; Philippe L. Toint (2012). Updating the regularization parameter in the adaptive cubic regularization algorithm. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 53, pp. 1-22, ISSN:0926-6003 DOI

B.Morini; M.Porcelli (2012). TRESNEI, a Matlab trust-region solver for systems of nonlinear equalities and inequalities. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, vol. 51, pp. 27-49, ISSN:0926-6003 DOI

BINANTE V.; GIRARDI M.; LUCCHESI M.; PADOVANI C.; PASQUINELLI G.; PELLEGRINI D.; PORCELLI M (2012). Progetto NOSA-ITACA - caso studio: il Voltone, piazza della Repubblica, Livorno. , in Salone dell'Arte e del Resaturo di Firenze

COLSON B; PORCELLI M; TOINT PH L (2012). Innovative multilevel techniques for structural optimization. In: XI Congresso SIMAI, Torino, 25-28 giugno 2012.

Morini, Benedetta , Porcelli, Margherita (2012). TRESNEI.

PORCELLI, MARGHERITA (2011). Metodi trust-region a convergenza quadratica per problemi ai minimi quadrati non lineari con vincoli semplici e problemi di ammissibilità non lineari. LA MATEMATICA NELLA SOCIETÀ E NELLA CULTURA, vol. IV, pp. 67-70, ISSN:1972-7356

GOULD N I M; PORCELLI M; TOINT PH L (2011). Regole di aggiornamento del parametro di penalità nei metodi di ottimizzazione con modelli regolarizzati. In: XIX Congresso UMI, Bologna, 12-17 Settembre 2011.

GOULD N I M; PORCELLI M; TOINT PH L (2010). Subspace Minimization Methods for Solving Nonlinear Least-Squares Problems. In: X SIMAI Biannual Congress, Cagliari, 21-25 giugno 2010.

R.H.Chan; B.Morini; M.Porcelli (2010). Affine scaling methods for image deblurring problems. In: ICNAAM, Numerical Analysis and Applied Mathematics, International Conference 2010, AMER INST PHYSICS, vol. 1281, pp. 1043-1046, ISBN:9780735408357 DOI

B. Morini; M. Porcelli; R.H.F. Chan (2010). A Reduced Newton Method for Constrained Linear Least-Squares Problems. JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, vol. 233, pp. 2200-2212, ISSN:0377-0427 DOI Accesso ONLINE all'editore

M.Macconi; B. Morini; M. Porcelli (2009). A Gauss-Newton method for solving bound-constrained underdetermined nonlinear systems.. OPTIMIZATION METHODS & SOFTWARE, vol. 24, pp. 219-235, ISSN:1055-6788 DOI

M.Macconi; B.Morini; M.Porcelli (2009). Trust-region quadratic methods for nonlinear systems of mixed equalities and inequalities. APPLIED NUMERICAL MATHEMATICS, vol. 59, pp. 859-876, ISSN:0168-9274 DOI

Margherita PORCELLI

Curriculum

Member of the NODA research group