arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1704.04005nlin.SI
收藏

多维守恒律与可积系统

Multi-Dimensional Conservation Laws and Integrable Systems

Zakhar V. Makridin, Maxim V. Pavlov

摘要:

本文介绍了二维可积系统的一个新性质--二维可积交换流对的无穷多个局部三维守恒律的存在性。本文对Korteweg de Vries对交换流和Benney交换流体动力链构造了许多三维局部守恒律。作为副产品,我们建立了一种计算三维可积系统局部守恒律的新方法。研究了Mikhalev方程和Kadomtsev-Petviashvili方程的无色散极限。给出了所有已知的局部和无穷多个新的拟局部三维守恒律。还考虑了三维可积拟线性系统偶和相应的三重流体动力链的四维守恒律。

英文摘要:

In this paper we introduce a new property of two-dimensional integrable systems -- existence of infinitely many local three-dimensional conservation laws for pairs of integrable two-dimensional commuting flows. Infinitely many three-dimensional local conservation laws for the Korteweg de Vries pair of commuting flows and for the Benney commuting hydrodynamic chains are constructed. As a by-product we established a new method for computation of local conservation laws for three-dimensional integrable systems. The Mikhalev equation and the dispersionless limit of the Kadomtsev--Petviashvili equation are investigated. All known local and infinitely many new quasi-local three-dimensional conservation laws are presented. Also four-dimensional conservation laws are considered for couples of three-dimensional integrable quasilinear systems and for triples of corresponding hydrodynamic chains.

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。

↑