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arXiv 2103.16941nlin.SI
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可积方程的广义不变流形及其应用

Generalized invariant manifolds for integrable equations and their applications

I. T. Habibullin, A. R. Khakimova, A. O. Smirnov

摘要:

在本文中,我们讨论的概念,广义不变流形在我们以前的研究。在文献中,微分约束方法被认为是构造非线性偏微分方程特解的工具。它的本质是在非线性偏微分方程中增加一个更简单的,通常是与给定的微分方程相容的微分方程。那么常微分方程的任何解也是偏微分方程的特解。然而,主要的问题是找到这个兼容的ODE。我们的推广是,我们寻找一个常微分方程,是兼容的非线性偏微分方程本身,但其线性化。这样的广义不变流形是有效地寻求。此外,它允许人们构造可积性理论的重要属性,如拉克斯对和可积非线性方程的递归算子。在本文中,我们表明,他们提供了一种方法来构造特殊的解决方案,以及方程。

英文摘要:

In the article we discuss the notion of the generalized invariant manifold introduced in our previous study. In the literature the method of the differential constraints is well known as a tool for constructing particular solutions for the nonlinear partial differential equations. Its essence is in adding to the nonlinear PDE, a much simpler, as a rule ordinary, differential equation, compatible with the given one. Then any solution of the ODE is a particular solution of the PDE as well. However the main problem is to find this compatible ODE. Our generalization is that we look for an ordinary differential equation that is compatible not with the nonlinear partial differential equation itself, but with its linearization. Such a generalized invariant manifold is effectively sought. Moreover, it allows one to construct such important attributes of integrability theory as Lax pairs and recursion operators for integrable nonlinear equations. In this paper, we show that they provide a way to construct particular solutions to the equation as well.

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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