Leading order integrability conditions for differential-difference equations

被引：0

作者：

Mark S Hickman

机构：

[1] University of Canterbury,Department of Mathematics and Statistics

来源：

Journal of Nonlinear Mathematical Physics | 2008年 / 15卷

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D O I：

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学科分类号：

摘要：

A necessary condition for the existence of conserved densities, ρ, and fluxes of a differential-difference equation which depend on q shifts, for q sufficiently large, is presented. This condition depends on the eigenvalues of the leading terms in the differential-difference equation. It also gives, explicitly, the leading integrability conditions on the density in terms of second derivatives of ρ.

引用

页码：66 / 86

页数：20

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