A new approach to spectral approximation

作者：Strauss Michael^*

来源：Journal of Functional Analysis, 2014, 267(8): 3084-3103.

DOI：10.1016/j.jfa.2014.07.014

• Eigenvalue problem
• Spectral pollution
• Galerkin method
• Spectral approximation

A new technique for approximating eigenvalues and eigen-vectors 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.

• 出版日期2014-10-15