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math.NA2015
The lower bound property of the Morley element eigenvalues
Yidu Yang, Hao Li, Hai Bi
In this paper, we prove that the Morley element eigenvalues approximate the exact ones from below on regular meshes, including adaptive local refined meshes, for the fourth-order e…
math.NA2015★ 11 cited
Error estimates and a two grid scheme for approximating transmission eigenvalues
Yidu Yang, Jiayu Han, Hai Bi
In this paper, using the linearization technique we write the Helmholtz transmission eigenvalue problem as an equivalent nonselfadjoint linear eigenvalue problem whose left-hand si…