The generalized Kupershmidt deformation for constructing new discrete integrable systems

The generalized Kupershmidt deformation for constructing new discrete integrable systems
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用于构造新离散可积系统的广义 Kupershmidt 变形

DOI:
10.1007/s11232-013-0049-6
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发表时间:
2013-05
期刊:
Theor. Math. Phys.
影响因子:
--
通讯作者:
Yehui Huang, Runliang Lin, Yuqin Yao, Yunbo Zeng
Yehui Huang, Runliang Lin, Yuqin Yao, Yunbo Zeng
中科院分区:
其他
文献类型:
--
作者:
Yehui Huang, Runliang Lin, Yuqin Yao, Yunbo Zeng

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众所周知,KdV6方程可以表示为KdV方程的Kupershmidt变形。从离散可积系统的双哈密顿结构出发,提出了构造新的离散可积系统的广义Kupershmidt变形。我们考虑了Toda族、Kac-van Moerbeke族和Ablowitz-Ladik族,得到了这些新变形系统的Lax表示。广义Kupershmidt变形为构造离散可积系统提供了一种新的途径。
It is known that the KdV6 equation can be represented as the Kupershmidt deformation of the KdV equation. We propose a generalized Kupershmidt deformation for constructing new discrete integrable systems starting from the bi-Hamiltonian structure of a discrete integrable system. We consider the Toda, Kac-van Moerbeke, and Ablowitz-Ladik hierarchies and obtain Lax representations for these new deformed systems. The generalized Kupershmidt deformation provides a new way to construct discrete integrable systems.
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