Sparsifiable spectral equivalence of DtN mapping and its application to elliptic problems
DOI10.1016/j.cam.2024.116114zbMath1545.6546MaRDI QIDQ6591504
Chunxiong Zheng, Jiangming Xie, Fengyang Zhao
Publication date: 22 August 2024
Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)
Computational methods for sparse matrices (65F50) Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Best approximation, Chebyshev systems (41A50) Numerical methods for discrete and fast Fourier transforms (65T50) Preconditioners for iterative methods (65F08)
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