Miura transforms for discrete Painleve equations

Miura transforms for discrete Painleve equations
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离散 Painleve 方程的 Miura 变换

DOI:
10.1088/0305-4470/25/11/002
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发表时间:
1992
期刊:
Journal of Physics A
影响因子:
--
通讯作者:
B. Grammaticos
B. Grammaticos
中科院分区:
--
文献类型:
--
作者:
A. Ramani;B. Grammaticos

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提出了 Miura 变换,将离散 Painleve II 方程与修改后的 d-PII 的作用相关联(Painleve-Gambier 分类中的方程(34))。对这一变换的研究使得离散 PII 的自动 Backlund 变换的推导成为可能,并允许人们获得后者的特定解。此外,使用这种变换可以在 PII 的参数空间中构建新的映射。后者是构建可积离散系统的一种新颖方法。
A Miura transformation is presented relating the discrete Painleve II equation to what plays the role of the modified d-PII (equation (34) in the Painleve-Gambier classification). The study of this transformation makes possible the derivation of the auto-Backlund transform of the discrete PII and allows one to obtain particular solutions to the latter. Moreover the use of this transformation makes it possible to construct a new mapping, in the parameter space of PII. The latter is a novel method for the construction of integrable discrete systems.
DOI: 10.1016/0375-9601(91)90955-8
发表时间: 1991-03
期刊: Physics Letters A
影响因子: 2.6
作者:
F. Nijhoff;V. Papageorgiou
通讯作者: F. Nijhoff;V. Papageorgiou