无色散Toda族的Hamilton结构
The Hamiltonian structure of the dispersionless Toda hierarchy
摘要:
研究了二维无色散Toda族的哈密顿结构,这是流体动力学型系统的一个特例。系统的多项式守恒律在变量改变后与三维Laplace方程的轴对称解相关联,这使得Hamilton密度的生成函数能够以封闭形式导出。
英文摘要:
The Hamiltonian structure of the two-dimensional dispersionless Toda hierarchy is studied, this being a particular example of a system of hydrodynamic type. The polynomial conservation laws for the system turn out, after a change of variable, to be associated with the axially symmetric solutions of the 3-dimensional Laplace equation and this enables a generating function for the Hamiltonian densities to be derived in closed form.
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