Reducibility of hypergeometric equations

Reducibility of hypergeometric equations
复制标题

超几何方程的可约性

DOI:
10.1007/978-3-319-52842-7_14
复制
发表时间:
2017
期刊:
Analytic, Algebraic and Geometric Aspects of Differential Equations, Trends in Mathematics
影响因子:
--
通讯作者:
T. Oshima
T. Oshima
中科院分区:
--
文献类型:
--
作者:
上野忠美;横山洋海;岩室史英;T. Oshima

文献摘要

相似文献

我们研究了超几何方程可约的一个充要条件。这里的一元超几何方程表示刚性Fuchsian线性常微分方程组。如果一个变量的方程有四个以上的奇点,它们自然会定义多个变量的超几何方程,包括Appell的超几何方程。我们还研究了这类多变量方程的可约性,我们发现了一种新的可约性,例如,在Appell的F4的分解中出现的可约性。
We study a necessary and sufficient condition so that hypergeometric equations are reducible. Here the hypergeometric equations with one variable mean the rigid Fuchsian linear ordinary differential equations. If the equations with one variable have more than four singular points, they naturally define hypergeometric equations with several variables including Appell’s hypergeometric equations. We also study the reducibility of such equations with several variables and we find a new kind of reducibility, which appears, for example, in a decomposition of Appell’sF4.