Spectral Indicator Method for a Non-selfadjoint Steklov Eigenvalue Problem
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DOI: 10.1007/s10915-019-00913-6
Abstract: We propose an efficient numerical method for a non-selfadjoint Steklov eigenvalue problem. The Lagrange finite element is used for discretization and the convergence is proved using the spectral perturbation theory for compact operators. The non-selfadjointness… read more here.
Keywords: method non; eigenvalue problem; problem; non selfadjoint ... See more keywords
On Borg’s method for non-selfadjoint Sturm–Liouville operators
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DOI: 10.1007/s13324-019-00307-9
Abstract: We prove local solvability and stability for the inverse problem of recovering a complex-valued square integrable potential in the Sturm–Liouville equation on a finite interval from spectra of two boundary value problems with one common… read more here.
Keywords: borg method; method non; non selfadjoint; sturm liouville ... See more keywords