research
∙
04/18/2023
Diagonalization-based preconditioners and generalized convergence bounds for ParaOpt
The ParaOpt algorithm was recently introduced as a time-parallel solver ...
share
research
∙
02/13/2023
On generalized preconditioners for time-parallel parabolic optimal control
The ParaDiag family of algorithms solves differential equations by using...
research
∙
06/20/2022
Time integration of finite element models with nonlinear frequency dependencies
The analysis of sound and vibrations is often performed in the frequency...
research
∙
05/24/2022
Contour Integration for Eigenvector Nonlinearities
Solving polynomial eigenvalue problems with eigenvector nonlinearities (...
research
∙
05/21/2021
Linearizability of eigenvector nonlinearities
We present a method to linearize, without approximation, a specific clas...
research
∙
12/28/2020
Frequency extraction for BEM-matrices arising from the 3D scalar Helmholtz equation
The discretisation of boundary integral equations for the scalar Helmhol...
research
∙
12/01/2020
Subspace method for multiparameter-eigenvalue problems based on tensor-train representations
In this paper we solve m-parameter eigenvalue problems (mEPs), with m an...
research
∙
09/25/2020
Multilevel Gibbs Sampling for Bayesian Regression
Bayesian regression remains a simple but effective tool based on Bayesia...
research
∙
06/12/2020
Tensor-Krylov method for computing eigenvalues of parameter-dependent matrices
In this paper we extend the Residual Arnoldi method for calculating an e...
research
∙
06/15/2018
Multilevel preconditioning for Ridge Regression
Solving linear systems is often the computational bottleneck in real-lif...
research
∙
09/14/2017