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arXiv 1806.07960math.CAmath-phmath.MPquant-ph
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Heun型方程的正交多项式级数解

Series solutions of Heun-type equation in terms of orthogonal polynomials

A. D. Alhaidari

摘要:

引入一个九参数Heun型微分方程,得到了它的三类解,它们是用雅可比多项式表示的平方可积〔的〕函数的级数。级数的展开系数满足三项递推关系,可采用连续和/或离散谱的正交多项式求解。其中一些是众所周知的多项式,而另一些则是已知多项式的新版本或修改版本。

英文摘要:

We introduce a nine-parameter Heun-type differential equation and obtain three classes of its solutions as series of square integrable functions written in terms of the Jacobi polynomial. The expansion coefficients of the series satisfy three-term recursion relations, which are solved in terms of orthogonal polynomials with continuous and/or discrete spectra. Some of these are well-known polynomials while others are either new or modified versions of known ones.

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