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A new linear inversion formula for a class of hypergeometric polynomials
Integral Transforms and Special Functions ( IF 0.7 ) Pub Date : 2020-10-19 , DOI: 10.1080/10652469.2020.1833002
Ridha Nasri 1 , Alain Simonian 1 , Fabrice Guillemin 2
Affiliation  

ABSTRACT

Given complex parameters x, ν, α, β and γN, consider the infinite lower triangular matrix A(x,ν;α,β,γ) with elements An,k(x,ν;α,β,γ)=(1)kn+αk+αF(kn,(β+n)ν;(γ+n);x) for 1kn, depending on the Hypergeometric polynomials F(n,;;x), nN. After stating a general criterion for the inversion of infinite matrices in terms of associated generating functions, we prove that the inverse matrix B(x,ν;α,β,γ)=A(x,ν;α,β,γ)1 is given by Bn,k(x,ν;α,β,γ)=(1)kn+αk+αγ+kβ+kF(kn,(β+k)ν;γ+k;x)+βγβ+kF(kn,(β+k)ν;1+γ+k;x) for 1kn, thus providing a new class of linear inversion formulas. Functional relations for the generating functions of related sequences S and T, that is, T=A(x,ν;α,β,γ)SS=B(x,ν;α,β,γ)T, are also provided.



中文翻译:

一类超几何多项式的新线性反演公式

摘要

给定复参数x , ν , α , βγ-N, 考虑无穷下三角矩阵 一种(X,ν;α,β,γ) 有元素 一种n,(X,ν;α,β,γ)=(-1)n+α+αF(-n,-(β+n)ν;-(γ+n);X) 为了 1n, 取决于超几何多项式 F(-n,;;X), nN. 在根据关联的生成函数陈述了无限矩阵求逆的一般准则之后,我们证明了逆矩阵(X,ν;α,β,γ)=一种(X,ν;α,β,γ)-1 是(谁)给的 n,(X,ν;α,β,γ)=(-1)n+α+αγ+β+F(-n,(β+)ν;γ+;X)+β-γβ+F(-n,(β+)ν;1+γ+;X) 为了 1n,从而提供了一类新的线性反演公式。相关序列ST的生成函数的函数关系,即=一种(X,ν;α,β,γ)=(X,ν;α,β,γ),还提供。

更新日期:2020-10-19
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