Properties of the zeros of generalized basic hypergeometric polynomials

被引:2
|
作者
Bihun, Oksana [1 ]
Calogero, Francesco [2 ,3 ]
机构
[1] Univ Colorado, Dept Math, Colorado Springs, CO 80918 USA
[2] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy
[3] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy
关键词
DIOPHANTINE PROPERTIES; DIFFERENTIAL-EQUATIONS; ASKEY SCHEME;
D O I
10.1063/1.4934884
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We define the generalized basic hypergeometric polynomial of degree N in terms of the generalized basic hypergeometric function, by choosing one of its parameters to allow the termination of the series after a finite number of summands. In this paper, we obtain a set of nonlinear algebraic equations satisfied by the N zeros of the polynomial. Moreover, we obtain an N x N matrix M defined in terms of the zeros of the polynomial, which, in turn, depend on the parameters of the polynomial. The eigenvalues of this remarkable matrix M are given by neat expressions that depend only on some of the parameters of the polynomial; that is, the matrix M is isospectral. Moreover, in case the parameters that appear in the expressions for the eigenvalues of M are rational, the matrix M has rational eigenvalues, a Diophantine property. (C) 2015 AIP Publishing LLC.
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页数:15
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