High accuracy analysis of elliptic eigenvalue problem for the Wilson nonconforming finite element
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- Dongsheng, W. Acta Mathematicae Applicatae Sinica (2001) 17: 200. doi:10.1007/BF02669573
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In this paper, the Wilson nonconforming finite element is considered for solving elliptic eigenvalue problems. Based on an interpolation postprocessing, superconvergence estimates of both eigenfunction and eigenvalue are obtained.