The q-Painlevé V equation and its geometrical description

The q-Painlevé V equation and its geometrical description
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q-Painlevé V 方程及其几何描述

DOI:
10.1088/0305-4470/34/11/338
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发表时间:
2001
期刊:
Journal of Physics A: Mathematical and General
影响因子:
--
通讯作者:
Y. Ohta
Y. Ohta
中科院分区:
--
文献类型:
--
作者:
A. Ramani;B. Grammaticos;Y. Ohta

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本文研究了由q-PVI(非对称q-PIII)方程退化得到的q-Painlevé V方程,并给出了它的几何描述.基于双线性方程,我们得到了A4仿射Weyl群的权格中q-PV(非自治Hirota-Miwa系统)的多维τ-函数方程.这种几何方法以一种直接的方式证明了q-PV的Miuras和Schlesingers。
We study the q-Painlevé V equation which can be obtained from the degeneration of the q-PVI (in the form of the asymmetric q-PIII) equation and present its geometrical description. Based on the bilinear formulation we obtain the equations for the multi-dimensional τ-functions of q-PV (in the form of nonautonomous Hirota-Miwa systems) which lives in the weight lattice of the A4 affine Weyl group. This geometrical approach furnishes in a straightforward way the Miuras and the Schlesingers of q-PV.
DOI: 10.1007/s002200100446
发表时间: 2001-06
影响因子: 2.4
作者:
H. Sakai
通讯作者: H. Sakai
离散 Painleve 方程的极限和简并性
DOI: --
发表时间: 2005
期刊: Phys. A347
影响因子: --
作者:
A.RAMANI;R.Willox;B.GRAMMATICOS;A.S.CARSTEA;Junkichi SATSUMA
通讯作者: Junkichi SATSUMA