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Real-space renormalization-group approach to the multigrid method
Phys. Rev. D 43, 3465 – Published 15 May, 1991
DOI: https://doi.org/10.1103/PhysRevD.43.3465
Abstract
We establish the connection between the multigrid algorithms and the real-space renormalization group. This is illustrated with the example of the two-dimensional Euclidean Klein-Gordon equation with random mass. The equation is then numerically solved using a two-level multigrid algorithm.
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