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On the computation of approximate eigenvalues and eigenfunctions of elliptic operators by means of a multi-grid method. (English) Zbl 0403.65043


MSC:

65N25 Numerical methods for eigenvalue problems for boundary value problems involving PDEs
35J20 Variational methods for second-order elliptic equations
35P15 Estimates of eigenvalues in context of PDEs
35P25 Scattering theory for PDEs
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
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