A new approach to spectral approximation
classification
🧮 math.SP
keywords
self-adjointspectralalgorithmapproachapproximatingapproximationdomaineigenvalues
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A new technique for approximating eigenvalues and eigenvectors of a self-adjoint operator is presented. The method does not incur spectral pollution, uses trial spaces from the form domain, has a self-adjoint algorithm, and exhibits superconvergence.
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