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arXiv 1703.05850nlin.SI
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Kaup-Kupershcht型方程及其孤子解

On Kaup-Kupershchmidt type equations and their soliton solutions

Vladimir S. Gerdjikov

摘要:

我们从Kaup-Kupersscht方程(KKE)的Lax表示开始。本文概述了与卡茨-穆迪代数有关的标量Lax算子和矩阵Lax算子之间的深层关系。然后导出了与KKE规范等价的MKdV方程。接下来,我们概述了对称性和相关的拉克斯算子的谱特性。利用Zakharov-Shabat方法证明了MKdV和KKE有两类单孤子解,并简要地讨论了它们的性质。

英文摘要:

We start with the Lax representation for the Kaup-Kupersschmidt equation (KKE). We We outline the deep relation between the scalar Lax operator and the matrix Lax operators related to Kac-Moody algebras. Then we derive the MKdV equations gauge equivalent to the KKE. Next we outline the symmetry and the spectral properties of the relevant Lax operator. Using the dressing Zakharov-Shabat method we demonstrate that the MKdV and KKE have two types of one-soliton solutions and briefly comment on their properties.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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