Considering multiplicative Schwarz algorithm for solving algebraic obstacle problems, we show the geometric convergence of the algorithm by the use of discrete maximum principle. We also get a decay rate bound indepen...
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Considering multiplicative Schwarz algorithm for solving algebraic obstacle problems, we show the geometric convergence of the algorithm by the use of discrete maximum principle. We also get a decay rate bound independent of the meshsize for the iterative error and illustrate the method by some numerical experiments.
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