Abstract
We continue to study a composite model of a generalized oscillator generated by an N-periodic Jacobi matrix. The foundation of the model is a system of orthogonal polynomials connected to this matrix for N = 3, 4, 5. We show that such polynomials do not exist for N ≥ 6.
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Prepared from an English manuscript submitted by the authors; for the Russian version, see Teoreticheskaya i Matematicheskaya Fizika, Vol. 169, No. 2, pp. 229–240, November, 2011.
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Borzov, V.V., Damaskinsky, E.V. N-symmetric Chebyshev polynomials in a composite model of a generalized oscillator. Theor Math Phys 169, 1561–1572 (2011). https://doi.org/10.1007/s11232-011-0133-8
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DOI: https://doi.org/10.1007/s11232-011-0133-8