Name: Matrix Equations and Tensor Techniques IX (METTIX)
Start: 2021-09-09T08:30:00+02:00
End: 2021-09-10T19:00:00+02:00
Location: Perugia

Matrix Equations and Tensor Techniques IX (METTIX)

from Thursday, September 9, 2021 (8:30 AM) to Friday, September 10, 2021 (7:00 PM)

Monday, September 6, 2021
Tuesday, September 7, 2021
Wednesday, September 8, 2021
Thursday, September 9, 2021

8:30 AM Registration
Registration
8:30 AM - 8:50 AM

8:50 AM Opening remarks
Opening remarks
8:50 AM - 9:00 AM
9:00 AM From analysis to learning: Tensor-based assessment of latent similarity - Lieven De Lathauwer (KU Leuven)
From analysis to learning: Tensor-based assessment of latent similarity
- Lieven De Lathauwer (KU Leuven)
9:00 AM - 9:40 AM
9:45 AM Robol, Palitta, Kuerschner, Uzunca, Singla
Robol, Palitta, Kuerschner, Uzunca, Singla
9:45 AM - 10:45 AM
Contributions

9:45 AM Mixed precision recursive block diagonalization for bivariate functions of matrices - Leonardo Robol (University of Pisa)

9:55 AM Stein-based preconditioners for weak-constraint 4D-Var - Davide Palitta (Alma Mater Studiorum, Università di Bologna)

10:05 AM Inexactness in low-rank methods for large matrix equations - Patrick Kürschner (Leipzig University of Applied Sciences (HTWK Leipzig))

10:15 AM Non-intrusive model order reduction for cross-diffusion systems - Murat Uzunca (Sinop University)

10:25 AM A distance formula for tuples of doubly commuting matrices - Sushil Singla (Shiv Nadar University)
10:45 AM Coffee break
Coffee break
10:45 AM - 11:10 AM
11:10 AM De Terán, Ren Cang Li, Addis, Meini, Kirsten
De Terán, Ren Cang Li, Addis, Meini, Kirsten
11:10 AM - 12:50 PM
Contributions

11:10 AM On the consistency of $X^\top AX=B$ when $B$ is either symmetric or skew - Fernando De Terán (Universidad Carlos III de Madrid)

11:30 AM Recent Progresses on Highly Entrywise Accurate Methods For Matrix Equations - Ren-Cang Li (University of Texas at Arlington)

11:50 AM Elementwise accurate doubling algorithm for shifted M-matrix algebraic Riccati equations - Elena Addis (università di Perugia)

12:10 PM Palindromic linearization and numerical solution of nonsymmetric algebraic T-Riccati equations - Beatrice Meini

12:30 PM A matrix-oriented POD-DEIM algorithm applied to semilinear differential matrix equations - Gerhard Kirsten (University of Bologna)
12:50 PM Lunch break
Lunch break
12:50 PM - 2:40 PM
2:40 PM Werthmann, Klever, Dinh, Köhler, Cardoso
Werthmann, Klever, Dinh, Köhler, Cardoso
2:40 PM - 4:20 PM
Contributions

2:40 PM Operator-dependent prolongation and restriction for parameter-dependent multigrid methods using low-rank tensor formats - Tim A. Werthmann (RWTH Aachen University)

3:00 PM Low-rank tensor uniformization for tumor progression modeling - Maren Klever (RWTH Aachen University)

3:20 PM A predictor-corrector method in quantized tensor train format for the equilibrium of the chemical master equation - Trang Dinh

3:40 PM A Successive Divide and Conquer Algorithm for the Unilateral Quadratic Matrix Equation - Martin Köhler (MPI Magdeburg)

4:00 PM Solving the Discrete Euler-Arnold Equations for the Generalized Rigid Body Motion - Joao Cardoso (Instituto Politécnico de Coimbra - ISEC)
4:20 PM Coffee break
Coffee break
4:20 PM - 4:50 PM
4:50 PM Persson, Heiland, Matveev, Curto, Petrov
Persson, Heiland, Matveev, Curto, Petrov
4:50 PM - 5:50 PM
Contributions

4:50 PM Improved variants of the Hutch++ algorithm for trace estimation - David Persson (EPFL)

5:00 PM Solving large-scale Riccati equations with indefinite quadratic terms - Jan Heiland (Max Planck Institute for Dynamics of Complex Technical Systems)

5:10 PM Model order reduction and utilization of the reduced basis for aggregation kinetic equations - Sergey Matveev (Marchuk INM RAS and Lomonosov MSU)

5:20 PM The Extended Aluthge Transform - Raul Curto (University of Iowa)

5:30 PM Matrix Completion with Sparse Measurement Errors - Sergey Petrov (INM RAS)
7:30 PM Social dinner
Social dinner
7:30 PM - 9:30 PM
Friday, September 10, 2021
9:00 AM Solving power series matrix equations encountered in stochastic processes by means of fixed point iterations - Dario Andrea Bini (Department of Mathematics, University of Pisa)
Solving power series matrix equations encountered in stochastic processes by means of fixed point iterations
- Dario Andrea Bini (Department of Mathematics, University of Pisa)
9:00 AM - 9:40 AM
9:45 AM Moakher, Jeong-Hoon Ju, Kim
Moakher, Jeong-Hoon Ju, Kim
9:45 AM - 10:45 AM
Contributions

9:45 AM Solution of the matrix equation for geodesics associated with the Riemannian metric on the space of positive-definite matrices based on the power potential - Maher Moakher (University of Tunis El Manar)

10:05 AM Optimal Constant for Generalized Diagonal Update Method - Jeong-Hoon Ju

10:25 AM On Newton Method for the Minimal Positive Solution of a System of Multi-Variable Nonlinear Matrix Equations - Taehyeong Kim
10:45 AM Coffee break
Coffee break
10:45 AM - 11:10 AM
11:10 AM Dewaele, Evert, Widdershoven, Al Daas, Budzinskiy
Dewaele, Evert, Widdershoven, Al Daas, Budzinskiy
11:10 AM - 12:50 PM
Contributions

11:10 AM Computing the condition number of tensor decompositions through Tucker compression - Nick Dewaele (KU Leuven)

11:30 AM A recursive eigenspace computation for the Canonical Polyadic decomposition - Eric Evert (KU Leuven)

11:50 AM Multiway data regression using a spline-type tensor decomposition - Raphaël Widdershoven (Stadius - KU Leuven)

12:10 PM Randomized Algorithms for Rounding the Tensor Train Format - Hussam Al Daas (STFC, Rutherford Appleton Laboratory)

12:30 PM On the number of elements needed for low-rank tensor train completion - Stanislav Budzinskiy
12:50 PM Lunch break
Lunch break
12:50 PM - 2:40 PM
2:40 PM Strossner, Brandoni, Cortinovis, Massei
Strossner, Brandoni, Cortinovis, Massei
2:40 PM - 4:00 PM
Contributions

2:40 PM Solving PDEs on hypercubes using Chebyshev interpolation - Christoph Strössner (EPFL)

3:00 PM A Tensor-Train Dictionary Learning algorithm based on spectral proximal alternating linearized minimization - Domitilla Brandoni (Università di Bologna)

3:20 PM Divide and conquer methods for functions of matrices with banded or hierarchical low-rank structure - Alice Cortinovis (EPFL)

3:40 PM Hierarchical adaptive low-rank format with applications to discretized PDEs - Stefano Massei (Eindhoven University of Technology)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM Frittelli, Cassini, Morozov, Colley
Frittelli, Cassini, Morozov, Colley
4:30 PM - 5:50 PM
Contributions

4:30 PM Matrix-oriented FEM formulation for stationary and time-dependent PDEs on x-normal domains - Massimo Frittelli (Università del Salento)

4:50 PM A mu-mode integrator for solving evolution equations in Kronecker form - Fabio Cassini (University of Trento)

5:10 PM Decoupling Dominant Z-eigenvectors of Tensor Kronecker Products - Charles Colley (Purdue University)

5:30 PM On the low-rank approximations in the Chebyshev norm - Stanislav Morozov (Marchuk Institute of Numerical Mathematics of the Russian Academy of Sciences)
5:50 PM Closing remarks
Closing remarks
5:50 PM - 6:00 PM