Publication: Finite elements on degenerate meshes: inverse-type inequalities and applications
Finite elements on degenerate meshes: inverse-type inequalities and applications
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Graham, I. G., Hackbusch, W., & Sauter, S. A. (2005). Finite elements on degenerate meshes: inverse-type inequalities and applications. IMA Journal of Numerical Analysis, 25(2), 379–407. https://doi.org/10.1093/imanum/drh017
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In this paper we obtain a range of inverse-type inequalities which are applicable to finite-element functions on general classes of meshes, including degenerate meshes obtained by anisotropic refinement. These are obtained for Sobolev norms of positive, zero and negative order. In contrast to classical inverse estimates, negative powers of the minimum mesh diameter are avoided. We give two applications of these estimates in the context of boundary elements: (i) to the analysis of quadrature error in discrete Galerkin methods and (ii)
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- Graham, I G
- Hackbusch, W
- Sauter, Stefan A
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Graham, I. G., Hackbusch, W., & Sauter, S. A. (2005). Finite elements on degenerate meshes: inverse-type inequalities and applications. IMA Journal of Numerical Analysis, 25(2), 379–407. https://doi.org/10.1093/imanum/drh017
