Integrable connections related to zonal spherical functions

Integrable connections related to zonal spherical functions
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与区域球函数相关的可积连接

DOI:
10.1007/bf01231326
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发表时间:
1992
影响因子:
3.1
通讯作者:
A. Matsuo
A. Matsuo
中科院分区:
数学1区
文献类型:
--
作者:
A. Matsuo

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我们为与任意根系统相关的 Weyl 群的群代数中的函数定义一阶微分方程组。这等价于Heckman和Opdam给出的微分方程组,是非紧型黎曼对称空间G/K的分区球函数满足的系统的变形。当根系为An型时,我们的方程与共形场论中的Knizhnik-Zamolodchikov方程有关。
We define a system of differential equations of first order for a function valued in the group algebra of the Weyl group associated with an arbitrary root system. This is equivalent to the system of differential equations given by Heckman and Opdam which is a deformation of the system satisfied by the zonal spherical function of the Riemannian symmetric spaceG/Kof non-compact type. When the root system is An-type, our equation is related to the Knizhnik-Zamolodchikov equation in conformal field theory.
DOI: 10.1007/bf01243918
发表时间: 1991-12
影响因子: 3.1
作者:
I. Cherednik
通讯作者: I. Cherednik
DOI: --
发表时间: 1990
期刊:
影响因子: --
作者:
R. Lawrence
通讯作者: R. Lawrence