论文标题

在$(t_2,t_3) - $ zakharov-shabat方程的广义kadomtsev-petviashvili层次结构

On $(t_2,t_3)-$Zakharov-Shabat equations of generalized Kadomtsev-Petviashvili hierarchies

论文作者

Magnot, Jean-Pierre, Reyes, Enrique G., Rubtsov, Vladimir

论文摘要

我们回顾了在几个非标准环境中KP层次结构的集成。具体而言,我们在以下关联差分代数中考虑KP:配备了nilpotent推导的代数;配备有推导的功能代数,该派生概括了梯度运算符;四元基金值函数的代数;一个不同的谎言代数;配备固定差分的多项式代数; Moyal代数。在所有这些情况下,我们都可以制定和解决KP层次结构的库奇问题。同样,在每种情况下,我们都会得出不同的Zakharov-Shabat $(T_2,T_3)$ - 方程 - 即,不同的Kadomtsev-Petviashvili方程式 - 我们证明了来自相应KP HierArchy的解决方案的存在。

We review the integration of the KP hierarchy in several non-standard contexts. Specifically, we consider KP in the following associative differential algebras: an algebra equipped with a nilpotent derivation; an algebra of functions equipped with a derivation that generalizes the gradient operator; an algebra of quaternion-valued functions; a differential Lie algebra; an algebra of polynomials equipped with the Pincherle differential; a Moyal algebra. In all these cases we can formulate and solve the Cauchy problem of the KP hierarchy. Also, in each of these cases we derive different Zakharov-Shabat $(t_2,t_3)$-equations -- that is, different Kadomtsev-Petviashvili equations -- and we prove existence of solutions arising from solutions to the corresponding KP hierarchy.

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