On generalized sum rules for Jacobi matrices
F. Nazarov, F. Peherstorfer, A. Volberg, P. Yuditskii
Abstract
This work is in a stream initiated by a paper of Killip and Simon [Ann. of Math. (2003)]. Using methods of Functional Analysis and the classical Szegö Theorem we prove sum rule identities in a very general form. Then, we apply the result to obtain new asymptotics for orthonormal polynomials.
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