A rational preconditioner for multi-dimensional Riesz fractional diffusion equations
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Publication:6104894
DOI10.1016/j.camwa.2023.05.016OpenAlexW4379046715MaRDI QIDQ6104894
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Publication date: 28 June 2023
Published in: Computers \& Mathematics with Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.camwa.2023.05.016
preconditioningToeplitz matricesRiesz fractional derivative operatorspectral symbolGauss-Jacobi rules
Finite difference methods for initial value and initial-boundary value problems involving PDEs (65M06) Toeplitz, Cauchy, and related matrices (15B05) Preconditioners for iterative methods (65F08) Fractional partial differential equations (35R11) Numerical analysis (65-XX) Numerical computation of matrix exponential and similar matrix functions (65F60)
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