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Zapiski Nauchnykh Seminarov POMI, 2015, Volume 433, Pages 111–130
(Mi znsl6129)
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The discrete spectrum of Jacobi matrix related to recurrence relations with periodic coefficients
V. V. Borzova, E. V. Damaskinskyb a St. Petersburg State University of Telecommunications, St. Petersburg, Russia
b Military Technical Institute, St. Petersburg, Russia
Abstract:
In this note we investigate the discrete spectrum of Jacobi matrix corresponding to polynomials defined by recurrence relations with periodic coefficients. As examples we consider
a) the case when period $N$ of coefficients of recurrence relations equals three (as a particular case we consider “parametric” Chebyshev polynomials introduced by authors early);
b) the elementary $N$-symmetrical Chebyshev polynomials ($N=3,4,5$), that was introduced by authors in the study of the “composite model of generalized oscillator”.
Received: 11.03.2015
Citation:
V. V. Borzov, E. V. Damaskinsky, “The discrete spectrum of Jacobi matrix related to recurrence relations with periodic coefficients”, Questions of quantum field theory and statistical physics. Part 23, Zap. Nauchn. Sem. POMI, 433, POMI, St. Petersburg, 2015, 111–130; J. Math. Sci. (N. Y.), 213:5 (2016), 694–705
Linking options:
https://www.mathnet.ru/eng/znsl6129 https://www.mathnet.ru/eng/znsl/v433/p111
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Abstract page: | 178 | Full-text PDF : | 38 | References: | 38 |
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