Matthias Bolten | DeepAI

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∙ 06/19/2023

Multigrid preconditioning for regularized least-squares problems

In this paper, we are concerned with efficiently solving the sequences o...

0 Matthias Bolten, et al. ∙

∙ 02/28/2023

Non-convex shape optimization by dissipative Hamiltonian flows

Shape optimization with constraints given by partial differential equati...

0 Matthias Bolten, et al. ∙

∙ 03/11/2022

Symbol based convergence analysis in multigrid methods for saddle point problems

Saddle point problems arise in a variety of applications, e.g., when sol...

0 Matthias Bolten, et al. ∙

∙ 02/11/2022

A note on the spectral analysis of matrix sequences via GLT momentary symbols: from all-at-once solution of parabolic problems to distributed fractional order matrices

The first focus of this paper is the characterization of the spectrum an...

0 Matthias Bolten, et al. ∙

∙ 07/16/2021

Symbol Based Convergence Analysis in Block Multigrid Methods with applications for Stokes problems

The main focus of this paper is the study of efficient multigrid methods...

0 Matthias Bolten, et al. ∙

∙ 05/13/2021

Using ODE waveform-relaxation methods to efficiently include gap junctions in distributed neural network simulations

Waveform-relaxation methods divide systems of differential equations int...

0 Matthias Bolten, et al. ∙

∙ 01/16/2021

A symbol based analysis for multigrid methods for Block-Circulant and Block-Toeplitz Systems

In the literature, there exist several studies on symbol-based multigrid...

0 Matthias Bolten, et al. ∙

∙ 10/24/2020

Towards Real-Time Magnetic Dosimetry Simulations for Inductive Charging Systems

The exposure of a human by magneto-quasistatic fields from wireless char...

0 Norman Haussmann, et al. ∙

∙ 10/22/2020

Krylov Subspace Recycling for Evolving Structures

Krylov subspace recycling is a powerful tool for solving long series of ...

0 Matthias Bolten, et al. ∙

∙ 10/13/2020

Momentary Symbol: Spectral Analysis of Structured Matrices

A powerful tool for analyzing and approximating the singular values and ...

0 Matthias Bolten, et al. ∙

∙ 08/20/2020

Non-overlapping block smoothers for the Stokes equations

Overlapping block smoothers efficiently damp the error contributions fro...

0 Lisa Claus, et al. ∙

∙ 08/12/2020

PyMGRIT: A Python Package for the parallel-in-time method MGRIT

In this paper, we introduce the Python framework PyMGRIT, which implemen...

0 Jens Hahne, et al. ∙

∙ 04/22/2020

Tracing locally Pareto optimal points by numerical integration

We suggest a novel approach for the efficient and reliable approximation...

0 Matthias Bolten, et al. ∙

∙ 02/20/2020

GivEn – Shape Optimization for Gas Turbines in Volatile Energy Networks

This paper describes the project GivEn that develops a novel multicriter...

0 Jan Backhaus, et al. ∙

∙ 12/06/2019

Parallel-in-Time Simulation of an Electrical Machine using MGRIT

We apply the multigrid-reduction-in-time (MGRIT) algorithm to an eddy cu...

0 Matthias Bolten, et al. ∙

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