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arXiv 1003.0287nlin.SI
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无色散2DTL族的非Hamilton推广

Non-Hamiltonian generalizations of the dispersionless 2DTL hierarchy

L. V. Bogdanov

摘要:

我们考虑两个组件的可积推广的色散无2DTL系列与非哈密顿向量场,类似的Manakov-Santini系列推广的dKP系列。它们形成由速端图型变换连接的单参数族。介绍了生成方程和Lax-Sato方程,提出了一种基于向量非线性Riemann问题的修整方案。导出了无色散2DTL方程的最简单的两分量推广,并给出了类似于Dunajski插值系统的微分约化。构造了无色散椭圆型2DTL方程的对称两分量推广。

英文摘要:

We consider two-component integrable generalizations of the dispersionless 2DTL hierarchy connected with non-Hamiltonian vector fields, similar to the Manakov-Santini hierarchy generalizing the dKP hierarchy. They form a one-parametric family connected by hodograph type transformations. Generating equations and Lax-Sato equations are introduced, a dressing scheme based on the vector nonlinear Riemann problem is formulated. The simplest two-component generalization of the dispersionless 2DTL equation is derived, its differential reduction analogous to the Dunajski interpolating system is presented. A symmetric two-component generalization of the dispersionless elliptic 2DTL equation is also constructed.

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