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Convergence of the mimetic finite difference method for eigenvalue problems in mixed form

机译:混合形式特征值问题的模拟有限差分方法的收敛性

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摘要

Optimal convergence rates for the mimetic finite difference method applied to eigenvalue problems in mixed form are proved. The analysis is based on a new a priori error bound for the source problem and relies on the existence of an appropriate elemental lifting of the mimetic discrete solution. Compared to the original convergence analysis of the method, the new a priori estimate does not require any extra regularity assumption on the right-hand side of the source problem. Numerical results confirming the optimal behavior of the method are presented.
机译:证明了模拟有限差分法在混合形式特征值问题上的最优收敛速度。该分析基于针对源问题的新的先验误差,并依赖于模拟离散解的适当元素提升的存在。与该方法的原始收敛分析相比,新的先验估计在源问题的右侧不需要任何额外的规律性假设。数值结果证实了该方法的最佳性能。

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