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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...
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02/28/2023
Non-convex shape optimization by dissipative Hamiltonian flows
Shape optimization with constraints given by partial differential equati...
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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...
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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...
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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...
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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...
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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...
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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...
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10/22/2020
Krylov Subspace Recycling for Evolving Structures
Krylov subspace recycling is a powerful tool for solving long series of ...
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10/13/2020
Momentary Symbol: Spectral Analysis of Structured Matrices
A powerful tool for analyzing and approximating the singular values and ...
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08/20/2020
Non-overlapping block smoothers for the Stokes equations
Overlapping block smoothers efficiently damp the error contributions fro...
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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...
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04/22/2020
Tracing locally Pareto optimal points by numerical integration
We suggest a novel approach for the efficient and reliable approximation...
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02/20/2020
GivEn – Shape Optimization for Gas Turbines in Volatile Energy Networks
This paper describes the project GivEn that develops a novel multicriter...
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12/06/2019