Due giorni di Algebra Lineare Numerica - Programma

Sede dell’Incontro sarà iI Dipartimento di Matematica ``Guido Castelnuovo’’ - SAPIENZA Università di Roma. I lavori si svolgeranno in Aula V, al secondo piano del Dipartimento. Coffee break e pranzi avranno luogo nei locali dell’Istituto Nazionale di Alta Matematica (INdAM), al primo piano del Dipartimento.

LUNEDI 18 FEBBRAIO

8:30 Registrazione (presso l’ingresso dell’Aula V)

9:00 Apertura

9:10 Antonio Cicone, Nonstationary signals decomposition: an overview on the state of the art, current applications and possible future directions of research

9:35 Patricia Díaz de Alba, Linear and nonlinear models for EMI data inversion

10:00 Anna Concas, Photometric Stereo under unknown lights position

10:25 Domitilla Brandoni, Tensor techniques for image recognition

10:50 Coffee Break (all’INdAM)

11:20 Federica Pes, Regularization methods for nonlinear ill-posed problems

11:45 Lothar Reichel, Arnoldi decomposition, GMRES, and preconditioning for linear discrete ill-posed problems

12:10 Ivan Gerace, An Edge-Preserving Regularization Model for the Demosaicing of Noisy Color Images

12:35 Valentina Giorgetti, A Blind Source Separation Technique for Document Restoration

13:00 Pranzo (all’INdAM)

14:15 Pietro Dell'Acqua, New boundary conditions for fast and accurate deblurring models

14:40 Noe Caruso, On Krylov solutions to infinite-dimensional inverse linear problems

15:05 Bruno Carpentieri, Spectrally preconditioned and initially deflated variants of the block GMRES method for the simultaneous solution of multiple right-hand sides linear systems

15:30 Mariarosa Mazza, Spectral properties of flipped Toeplitz matrices and related preconditioning

15:55 Coffee Break (all’INdAM)

16:25 Mattia Tani, Space-time isogeometric preconditioners for parabolic problems

16:50 Fabio Durastante, Some fast algorithms for the large structured linear systems of FPDEs

17:15 Ken Trotti, Anisotropic multigrid preconditioners for space-fractional diffusion equations

17:40 Carlo Janna, Solving large size linear systems of equations on modern high-performance computers

18:05 Matteo Frigo, A Relaxed Physical Factorization Preconditioner for Mixed Finite Element Coupled Poromechanics

20:30 Cena sociale (presso il ristorante ‘Pommidoro’, piazza dei Sanniti 44/46)

MARTEDI 19 FEBBRAIO

9:10 Michela Redivo-Zaglia, Shanks' transformations, Anderson acceleration, and applications to systems of equations

9:35 Stefano Cipolla, Extrapolation Methods for Data Science

10:00 Dario Fasino, So, what is the Random Walk Centrality?

10:25 Pasqua D'Ambra, Bootstrap AMG in spectral clustering

10:50 Coffee Break (all’INdAM)

11:20 Gian Maria Negri Porzio, A contour integral approach for the solution of nonlinear eigenvalue problems

11:45 Matteo Ronchetti, IKA: Independent Kernel Approximator

12:10 Paola Ferrari, The eigenvalue distribution of special 2-by-2 block matrix-sequences with applications to the case of symmetrized Toeplitz structures

12:35 Monica Dessole, Solving ABD systems on GPUs

13:00 Pranzo (all’INdAM)

14:15 Lucia Romani, Even-symmetric interpolatory subdivision schemes: a constructive algebraic strategy

14:40 Rafael Díaz Fuentes, Interpolation of points and tangent directions by linear approximating subdivision schemes

15:05 Stefano Massei, Low-rank updates and divide-and-conquer methods for quadratic matrix equations

15:30 Alice Cortinovis, On maximum volume submatrices and cross approximation

15:55 Coffee Break offerto da ADALTA (all’INdAM)

16:25 Nicola Mastronardi, On computing the Jordan structure of Totally Nonnegative Matrices with high relative accuracy

16:50 Leonardo Robol, Distance from rank-structured matrices

17:15 Davide Palitta, The projected Newton-Kleinman method for the algebraic Riccati equation

17:40 Antonio Fazzi, Computing approximate common factors of matrix polynomials

18:05 Stefano Maset, Relative error analysis of matrix exponential approximations for numerical integration

18:30 Chiusura