An inverse spectral problem for the matrix Sturm-Liouville operator on the half-line

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作者
Natalia Bondarenko
机构
[1] Saratov State University,Department of Mechanics and Mathematics
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matrix Sturm-Liouville operators; inverse spectral problems; method of spectral mappings; 34A55; 34B24; 47E05;
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摘要
The matrix Sturm-Liouville operator with an integrable potential on the half-line is considered. The inverse spectral problem is studied, which consists in recovering of this operator by the Weyl matrix. The author provides necessary and sufficient conditions for a meromorphic matrix function being a Weyl matrix of the non-self-adjoint matrix Sturm-Liouville operator. We also investigate the self-adjoint case and obtain the characterization of the spectral data as a corollary of our general result.
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