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math.NA2021★ 13 cited
Local Fourier analysis of Balancing Domain Decomposition by Constraints algorithms
Jed Brown, Yunhui He, Scott MacLachlan
Local Fourier analysis is a commonly used tool for the analysis of multigrid and other multilevel algorithms, providing both insight into observed convergence rates and predictive…
math.NA2021
Local Fourier Analysis of P-Multigrid for High-Order Finite Element Operators
Jeremy L. Thompson, Jed Brown, Yunhui He
Multigrid methods are popular for solving linear systems derived from discretizing PDEs. Local Fourier Analysis (LFA) is a technique for investigating and tuning multigrid methods.…