Robust PRESB preconditioning of a 3-dimensional space-time finite element method for parabolic problems
DOI10.1515/cmam-2023-0085zbMath1541.65096MaRDI QIDQ6557146
Marco Zank, Ladislav Foltyn, Dalibor Lukáš
Publication date: 18 June 2024
Published in: Computational Methods in Applied Mathematics (Search for Journal in Brave)
finite element methodsmultigridparabolic problemsfast diagonalization methodparallel space-time methodsPRESB preconditioning
Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60) Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs (65M55) Preconditioners for iterative methods (65F08) Numerical solution of discretized equations for initial value and initial-boundary value problems involving PDEs (65M22)
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