A Vanka-type multigrid solver for complex-shifted Laplacian systems from diagonalization-based parallel-in-time algorithms

DOI10.1016/j.aml.2022.108125zbMath1524.65924arXiv2203.11154MaRDI QIDQ6394280

Jun Liu, Yunhui He

Publication date: 21 March 2022

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Iterative numerical methods for linear systems (65F10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Parallel numerical computation (65Y05) Preconditioners for iterative methods (65F08)

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