Refined estimates for finite element or, more generally, Galerkin approximations of the eigenvalues and eigenvectors of selfadjoint eigenvalue problems are presented. More specifically, refined ...
https://doi.org/10.4169/amer.math.monthly.120.08.741 • https://www.jstor.org/stable/10.4169/amer.math.monthly.120.08.741 Copy URL Abstract The existence of an ...
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