On location of discrete spectrum for complex Jacobi matrices

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We study spectrum inclusion regions for complex Jacobi matrices which are compact perturbations of the discrete laplacian. The condition sufficient for the lack of discrete spectrum for such matrices is given.
LaTeX, 7 pages

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Spectral Theory, 47B36; 47A10; 47A55

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http://salesiana.dossiersoluciones.com/handle/123456789/71618

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0406395
 http://arxiv.org/abs/math/0406395

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arXiv