Abstract
We prove a convergence theorem for two-level iterations with one smoothing step. It is applied to multigrid methods for elliptic boundary value problems and to iterative aggregation methods for large-scale linear algebraic systems arising from input-output models in economics and from a multi-group approximation of the neutron-diffusion equation in reactor physics.
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© 1986 Springer-Verlag
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Mandel, J. (1986). On multigrid and iterative aggregation methods for nonsymmetric problems. In: Hackbusch, W., Trottenberg, U. (eds) Multigrid Methods II. Lecture Notes in Mathematics, vol 1228. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0072649
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DOI: https://doi.org/10.1007/BFb0072649
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