Extrapolation in nonstationary iterations for matrix equations, INdAM Workshop: Low-rank Structures and Numerical Methods in Matrix and Tensor Computations, Cortona, Italy, 31.08.-05.09.25 (invited talk)
Extrapolation for iterative solvers for matrix equations, 26th Conference of the International Linear Algebra Society (ILAS), Kaohsiung, 22.-27.06.2025
Inexact Low-Rank Methods for Matrix Equations, SIAM Conference on Linear Algebra, Paris, France, 13.05.-17.05.2024 (invited talk)
Low-rank solution of restricted discrete-time Gramians, GAMM Annual Meeting, Magdeburg, 18.-22.03.2024
Inexact low-rank Sylvester ADI, METT X - 10th Workshop on Matrix Equations and Tensor Techniques , Aachen, 13.-15.09.2023
Reducing Large State-Space Models in Restricted Time and Frequency Intervals, 6th International Conference on Mathematics and Statistics (ICoMS 2023) Leipzig, 14.-16.07.2023
Inexact low-rank ADI for large-scale Sylvester equations, 25th Conference of the International Linear Algebra Society (ILAS), Madrid, 12.-16.06.2023
Inexact solves in the low-rank ADI for Sylvester equations, GAMM Annual Meeting 2022, Aachen, 15.-19.08.2022
From Sets of Linear to Sets of Polynomial Equations, New trends in Computational Science in Engineering and Industrial Mathematics, Magdeburg, 01.-02.07.2022
Inexactness in low-rank methods for large matrix equations, 9th Workshop on Matrix Equations and Tensor Techniques - METT-IX, Perugia, Italy, 09.-10.09.2021
Roots of multivariate polynomials from tensor decompositions, GAMM Annual Meeting (virtual), 15.-19.03.2021
Inexact low-rank methods for solving large matrix equations, Communications in NLA, 02.11.2020
Low-rank methods for reducing large state-space models, DMV Annual Meeting (virtual), TU Chemnitz, 14.-17.09.2020
Multivariate polynomial rootfinding with low-rank tensor decompositions, Online Minisymposium on Low-rank Geometry and Computation, MPI Leipzig, 21.-22.07.2020
[Poster] Multivariate Rootfinding with Tensors, Research afternoon at KU Leuven Campus Bruges & Kortrijk, 30.03.2020
Matrices and tensors for polynomial rootfinding, 8th Workshop on Matrix Equations and Tensor Techniques - METT-VIII, Magdeburg, 06.-08.11.2019
Finding common roots of systems of polynomials with matrix and tensor methods, Workshop on Low-Rank Models and Applications, Mons, Belgium, 12.-13.09.2019
[Poster] Multivariate polynomial root finding with tensor techniques, ICIAM19
Inexact rational Krylov methods for large matrix equations, International Congress on Industrial and Applied Mathematics (ICIAM 2019), Valencia, Spain, 15.-19.07.2019
Tensor methods for finding roots of polynomials, workshop on Identification, simulation and control of complex dynamical systems from Data, Tegernsee, 08.-11.05.2019
[Poster] Multivariate polynomial root finding with tensor techniques, Low-rank Optimization and Applications, Leipzig, 01.-05.04.2019
Low-rank methods for matrix equations arising in model order reduction, CASA Colloquium, TU Eindhoven, the Netherlands, 20.02.2019
Solving large matrix equations arising in connectome regression, GAMM-ANLA Workshop, Höör, Sweden, 10.-12.10.2018
Inexact rational Krylov methods for large matrix equations, NUMA Seminar, KU Leuven, Belgium, 27.09.2018
Solving Large Matrix Equations Arising in Computational Neuroscience, seminar talk at EPF Lausanne, Switzerland, 05.09.2018
[Poster] Sherman-Morrison-Woodbury Formula for Large Matrix Equations, EURASIP Summer School Tensor-Based Signal Processing, Leuven, Belgium, 27.-31.08.2018
Inexact linear solves in low-rank methods for large-scale matrix equations, 6th IMA Conference on Numerical Linear Algebra and Optimization, Birmingham, UK, 27.-29.06.2018
A comparison of rational Krylov and related low-rank methods for large Riccati equations, SIAM Conference on Applied Linear Algebra, Hong Kong, May 04.-08.05.2018
Inexact rational Krylov subspace methods for matrix equations, Bath Numerical Analysis Seminar, Bath, UK, 21.02.2018 and GAMM Annual Meeting, TU Munich, 19.-23.03.2018
Matrix equations in time- & frequency limited model reduction, SciCADE2017, Bath, UK, 11.-15.09.2017.
Balanced truncation MOR with time- & frequency restrictions, LMS-EPSRC Durham Symposium Model Order Reduction, Durham, UK, 07.-17.08.2017.
Numerical computation of low-rank factors of time- and frequency-limited Gramians, Householder Symposium XX, Virginia Tech, Blacksburg, USA, 18.-23.06.2017.
Large generalized Sylvester equations with additional low-rank terms, METT VII - 7th Workshop on Matrix Equations and Tensor Techniques, Pisa, Italy, 13.-14.02.2017
Time- and frequency-limited balanced truncation for large-scale systems, 3rd Workshop on Model Reduction of Complex Dynamical Systems, Odense, Denmark, 11.-13.01.2017
Yet another low-rank method for large algebraic Riccati equations, GAMM-ANLA Workshop, Hamburg, 15.-16.09.2016
Minimizing the Residual Norm in the ADI Iteration for Large Lyapunov Equations, 5th IMA Conference on Numerical Linear Algebra and Optimization, Birmingham, UK, 07.-09.09.2016
Inexact and preconditioned linear solves in iterative eigenvalue methods, Computational Methods in Applied Mathematics (CMAM-7), Jyväskylä, Finland, 31.07.- 06.08.2016
A numerical comparison of algorithms for large-scale, algebraic Riccati equations, 20th ILAS Conference, Leuven, Belgium, 11.-17.07.2016
Matrix equations which include matrix functions and their application to model reduction, Tegernsee workshop "Computational Methods for High-Dimensional Problems ", Tegernsee, 03.04.2016
Model Order Reduction and Large-scale Matrix Equations, Bath Numerical Analysis Seminar, Bath, UK, 15.04.2016
The benefits of restricting balanced truncation to small time or frequency intervals, GAMM & DMV Annual Meeting, TU Braunschweig, Germany, 07.-11.03.2016
Modellreduktion mit frequenzbegrenzten Gramschen (german), GMA Workshop 1.30, Anif, Austria, 24.-25.09.2015
Nearly optimal automatic shifts for the low-rank ADI iteration, 5th workshop on matrix equations and tensor techniques, Bologna, Italy, 21.-22.09.2015
Low-rank Approximations of Frequency-limited Gramians, GAMM-ANLA Workshop, Magdeburg, Germany, 09.-10.07.2015
Krylov Subspace Methods for Matrix Equations Which Include Matrix Functions, Student Krylov Day 2015, TU Delft, Netherlands, 02.02.2015
Low-rank Solutions of Lyapunov Equations Workshop within DAAD project Optimal Damping of Vibrating Systems, J. J. Strossmayer University of Osijek, Croatia, 07.-10.10.2014
Low-rank Approximations of Frequency-limited Gramians, Joint ALAMA & GAMM-ANLA Workshop, Barcelona, Spain, 14.-16.07.2014
[Poster] Minimizing the Norm of Cayley transformation X vector, CSC Tegernsee Workshop, Castle Ringberg, 25.-27.06. 2014
Preconditioning for inexact inner-outer methods for the two-sided, non-Hermitian eigenvalue problem, Householder Symposium XIX, Spa, Belgium, 10.06.2014
Anwendung der Modellordnungsreduktion auf Fragestellungen im Maschinenbau (german), MPI Magdeburg, 29.04.2014
Inexact preconditioned solves in Newton type methods for nonlinear eigenvalue problems, 85th Annual Meeting of GAMM, Erlangen, 10.-14.03.2014
Balanciertes Abschneiden in beschränkten Frequenzintervallen für hochdimensionale Systeme (german), 9th Elgersburg Workshop, Elgerburg, 02.-06.03.2014
Semi-active damping optimization of vibrational systems using dimension reduction, Complexity Reducing Formulations in Optimization, Magdeburg, 24.-28.02.2014
Inner-outer methods for large-scale two-sided eigenvalue problems. Oberwolfach Workshop on Numerical Solution of PDE Eigenvalue Problems, Mathematisches Forschungsinstitut Oberwolfach, 17-23.11.2013
Low-rank residuals and new shift parameter strategies in ADI methods for large Lyapunov and Sylvester equations. GAMM Workshop Applied and Numerical Linear Algebra, Wuppertal, 09.-10.09.2013
[Poster] Computing Dominant Eigenvalues of Large-Scale Dynamical Systems. Bifurcation Theory, Numerical Linear Algebra and Applications, Bath, UK, 01.-02.07.2013
Recent numerical improvements in low-rank ADI methods. Numerical Analysis and Scientific Computation with Applications (NASCA13), Calais, France, 24.-26.06.2013
Stopping criteria for iterative balancing and truncation of linear dynamical systems, Model Reduction and Approximation for Complex Systems 2013, Marseille, France, 10.-14.06.2013
Solving inhomogeneous eigenvalue problems, GAMM 84th Annual Scientific Conference, Novi Sad, Serbia, 18.-22.03.2013
On inexact dominant pole based modal truncation, GMA / GAMM Workshops, Anif, Austria, 17.-21.09.2012
On tuned preconditioners for inexact two-sided eigenvalue iterations, 3rd IMA Conference on Numerical Linear Algebra and Optimisation, University of Birmingham, UK, 10.-12.09.2012
On inexact dominant pole based model truncation, Bath Numerical Analysis Seminar, Bath, UK, 04.09.2012
Tuned preconditioners for inexact two-sided inverse and Rayleigh quotient iteration, 2012 SIAM Confernce on Applied Linear Algebra, Valencia, Spain, 18.-22.06.2012
A completely real way of dealing efficiently with complex shifts in the low-rank ADI method, GAMM 83nd Annual Scientific Conference, Darmstadt, 26.-30.03.2012
Improved Second Order Balanced Truncation for Symmetric Systems, MATHMOD 2012 - 7th Vienna International Conference on Mathematical Modelling, Vienna, Austria, 14.-17.02.2012
Efficient Handling of Complex Shift Parameters in the Low-rank Cholesky Factor ADI method, Workshop on Matrix Equations and Tensor Techniques, Aachen, 21. -22.11.2011, and GAMM Workshop 2011 on Applied and Numerical Linear Algebra, Bremen, 22.-23.09.2011
Dominant pole computation of MIMO second order systems, 17th ILAS Conference, Braunschweig, 22.-26.08.2011
Modelordnungsreduktion für dynamische Systeme zweiter Ordnung, Miniworkshop MPI - Fraunhofer IFF - OvGU, Magdeburg, 10.05.2011
Two-sided harmonic subspace extractions for the generalized eigenvalue problem, GAMM 82nd Annual Scientific Conference, Graz, Austria, 18.-21.04.2011
Model order reduction of large-scale dynamical systems with Jacobi-Davidson style eigensolvers, 2011 International Conference on Communications, Computing and Control Applications (CCCA’11), Hammamet, Tunisia, 03.-05.03.2011
Towards a hybrid balanced and modal truncation method for large-scale LTI systems, Model Reduction for Complex Dynamical Systems, TU Berlin, 02.-04.12.2010
Modern Numerical Methods for Large-Scale Eigenvalue Problems, Welcome colloquium dedicated to Prof. Benner, Max Planck Institute Magdeburg, 05.11.2010