- 02-491 S. Kupin
- On sum rules of special form for Jacobi matrices
Nov 26, 02
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Abstract. We use sum rules of a special form to study spectral properties of Jacobi matrices. As a consequence of the main theorem, we obtain a discrete counterpart of a result by Molchanov-Novitskii-Vainberg for a Scr\"odinger operator on the half-axis.