Parallel Adaptive Mesh Refinement Combined with Additive Multigrid for the Efficient Solution of the Poisson Equation

<table>The local leaf cells with their corresponding ghost leaf boundary cells on (a) two processors: (b) on processor 1 and (c) on processor 2.</table>

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fig13

Figure 13

Figure 13: Parallel Adaptive Mesh Refinement Combined with Additive Multigrid for the Efficient Solution of the Poisson Equation 