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On a criterion of rationality for a series in orthogonal polynomials |
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| Authors: | V. I. Buslaev |
| Affiliation: | 1.Institute of Mathematics, Russian Academy of Sciences,Moscow,Russia |
| Abstract: | We present a criterion of rationality for a function determined by its expansion in a series in orthogonal polynomials. This criterion can be regarded as an analog of the well-known Kronecker criterion of rationality for functions given by power series. |
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