Structured  Numerical Linear Algebra Problems:

Analysis, Algorithms, and Applications

Cortona, Italy, September 15-19, 2008

Program

Monday, September 15

Morning session

  9.15  Opening
  9.30 D. Watkins (Washington State University): “ Dealing with Hamiltonian Structure: Challenges and Successes”
10.00 P. Benner (Chemnitz), H. Fassbender (TU Braunschweig): “ Numerical algorithms for large-scale Hamiltonian eigenproblems ”
10.30 L. Reichel (Kent): “Recursion relations for rational Krylov subspaces”

11.00  Break

11.30 D. Szyld (Temple, Phyladelphia), M. Gander (Geneva): “An optimal block iterative method and preconditioner for banded matrices”
12.00 P. Vassalos (Athens), D. Noutsos (Athens): “ Preconditioners for ill conditioned (block) Toeplitz systems: facts and ideas”
12.30 S. Fanelli (Roma, Tor Vergata): “Matrix Structures in Global Optimization: new perspectives”

13.00-15.00  Lunch

Afternoon session

15.00 F. Dopico (Madrid, Carlos III): “ Doubly structured sets of symplectic matrices”
15.30 N. Guglielmi (L'Aquila): “ On finiteness properties of sets of matrices”

16.00 Break

16.30 D. Sesana (Como): “ Tools for analyzing the Spectral Distribution in a non Hermitian context”
17.00 H. Woerdeman (Drexel): “ An algorithm for the computation of the inverse of a multilevel Toeplitz matrix”
17.30 Oseledets (Moscow): “ Optimal multiplication of polynomials in GF(2) and parallel solution of linear systems”

Tuesday, September 16

Morning session

  9.30 C. Brezinski (Lille): “ Error estimates in linear systems with an application to regularization”
10.00 G. Rodriguez (Cagliari): “ Choosing the Tikhonov regularization parameter in large scale problems”
10.30 C. D. Potts (Chemnitz), A. Böttcher (Chemnitz), J. Keiner (Lübeck), S. Kunis (Chemnitz): “ Efficient reconstruction of functions on the sphere from scattered data”

11.00  Break

11.30 J. Nagy (Emory): “ Separable Nonlinear Least Squares Problems in Image Processing”
12.00 C. Estatico (Cagliari): “ Structured matrices in nonlinear imaging ”
12.30 M.Donatelli (Como): “ The Antireflective algebra and applications”

13.00-15.00  Lunch

Afternoon session: Dedicated to the memory of Milvio Capovani

15.00 Speeches of Dario Bini, Gianfranco Capriz, Giorgio Levi
15.30 Roberto Bevilacqua: “Milvio Capovani, matrices and structures: first ideas and results in the '70s”
16.00 Paolo Zellini: “ The numerical analysis of Milvio Capovani”

16.30  Break

17.00 E. Tyrtyshnikov (Moscow): “ Using tensor structure in vectors and matrices”
17.30 L. De Lathauwer (K.U. Leuven), J.-M. Papy, S. Van Huffel: “ Multilinear Algebra Based Fitting of a Sum of Exponentials to Oversampled Data”
18.00 V. Olshevsky (Connecticut): TBA

Wednesday, September 17

Morning session

  9.30 M. Benzi (Emory): “ Decay Properties of Certain Matrix Functions Arising in Quantum Mechanics”
10.00 B. Beckermann (Lille): “ Decay of singular values of structured matrices and the third Zolotarev problem”
10.30 B. Meini (Pisa): “ Decay properties of certain matrix power series encountered in stochastic processes ”

11.00  Break

11.30 G. Latouche (Bruxelles): “Matrix equations in branching processes”
12.00 B. Iannazzo (Como): “ The palindromic cyclic reduction and the matrix geometric mean”
12.30 F. Poloni (Pisa, SNS): "Some implementation issues concerning the GKO algorithm"

13.00-14.30 Lunch

14.30  Excursion

Thursday, September 18

Morning session

  9.30 Y. Eidelman (Tel Aviv): “Eigenvalues and eigenspaces of quasiseparable of order one matrices”
10.00 T. Bella (Connecticut): “ Classifications of quasiseparable matrices in terms of recurrence relations”
10.30 D. Fasino (Udine): “ Gauss-Radau and Christoffel-Darboux formulas for rational functions via structured matrices”

11.00  Break

11.30 M. Van Barel, R. Vandebril (K.U. Leuven), P. Van Dooren (UCL, Louvain): “ A companion matrix eigenvalue solver”
12.00 P. Boito (Toulouse): “ A fast implicit QR eigenvalue algorithm for a class of structured matrices”
12.30 R. Vandebril (K.U. Leuven): “ On computing eigenvalues of normal matrices”  

13.00-15.00 Lunch

Afternoon session

15.00 G. Del Corso (Pisa): “A combined approach to citation-based evaluation of scientific products”
15.30 P. Lancaster (Calgary): “ Updating Eigenvalues of Vibrating Sistems ”

16.00 Break

16.30 L. Gemignani (Pisa): “ Fast Eigenvalue Computation of Symmetric Rationally Generated Toeplitz Matrices”
17.00 J. Moro (Madrid, Carlos III): “Structured condition numbers for multiple eigenvalues”
17.30 B. Plestenjak (Ljubljana): “ On singular multiparameter eigenvalue problems”

Friday, September 19

Morning session

  9.00 I. Perugia (Pavia): “ Linear algebra problems arising in discontinuous Galerkin finite element discretizations”
  9.30 C. Tablino Possio, A. Russo (Milano): “ Spectral analysis and preconditioning in Finite Element approximations of elliptic PDEs”
10.00 V. Pan (CUNY, New York): “New preconditioning techniques in matrix computations”

10.30  Break

11.00 T. Huckle (Muenchen), C. Kravvaritis (Athens): “ Compact Fourier Analysis for Multigrid Methods”
11.30 A. Aricò (Cagliari): “Algebraic multigrid for multilevel linear systems”
12.00 P. Van Dooren (UCL, Louvain): “ Multivariable H2-optimal approximation”
12.30 N. Mastronardi (Bari, CNR): “An algorithm for computing the null-space of  polynomial matrices”

13.00 Closure

13.15-14.30 Lunch