Discretization of the Laplace operator and the fast solution of Poisson's equation in a torus

zbMath0795.65068MaRDI QIDQ1311540

Sergey D. Algazin

Publication date: 3 March 1994

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

Laplace operatordiscrete Fourier transformsspectral problemsPoisson equation\(H\)-matricesLaplace equations

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Finite difference methods for boundary value problems involving PDEs (65N06) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)

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