Uniform estimations for conforming Galerkin method for anisotropic singularly perturbed elliptic problems

05/22/2023

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by   David Maltese, et al.

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In this article, we study some anisotropic singular perturbations for a class of linear elliptic problems. A uniform estimations for conforming Q_1 finite element method are derived, and some other results of convergence and regularity for the continuous problem are proved.