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VIRTUAL ELEMENTS FOR THE TRANSMISSION EIGENVALUE PROBLEM ON POLYTOPAL MESHES
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DOI：10.1137/20M1347887.png)
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The transmission eigenvalue problem is a challenging model in the inverse scattering theory and has important applications in this topic. The aim of this paper is to analyze a C-1 virtual element method on polytopal meshes in R-d (d = 2, 3) for solving a quadratic and non-self-adjoint fourth-order eigenvalue problem derived from the transmission eigenvalue problem. Optimal order error estimates for the eigenfunctions and a double order for the eigenvalues are obtained by using the approximation theory for compact non-self-adjoint operators. Finally, a set of numerical tests illustrating the good performance of the virtual scheme are presented.
Keyword:
transmission eigenvalues
virtual element schemes
spectral problem
polytopal meshes
error estimates
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2.6
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5.1K
被引数:
1.8W
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