A preconditioning technique for an all-at-once system from Volterra subdiffusion equations with graded time steps
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Publication:2037331
DOI10.1007/s10915-021-01527-7zbMath1468.76055arXiv2007.14636OpenAlexW3164559554MaRDI QIDQ2037331
Yong-Liang Zhao, Xian-Ming Gu, Alexander Ostermann
Publication date: 30 June 2021
Published in: Journal of Scientific Computing (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2007.14636
Krylov subspace methodvariable time stepall-at-once discretizationparallel-in-time preconditioningsemilinear subdiffusion equation
Diffusion (76R50) Parallel numerical computation (65Y05) Basic methods in fluid mechanics (76M99) Preconditioners for iterative methods (65F08)
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