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arXiv math-ph/9907003math-phmath.APmath.MP
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关于多维非线性Schrodinger方程的渐近约化

On the asymptotic reduction to the multidimensional nonlinear Schrodinger equation

M. M. Shakir'yanov

摘要:

研究了多维非线性Boussinesq方程解关于小参数$\ve$的渐近性问题.构造并证明了该问题的解关于$\ve\to0$长时间的渐近展开式$t\sim {\cal O}(\ve^{-2})$。由多维非线性薛定谔方程和线性齐次波动方程定义了渐近解的主导项。

英文摘要:

The problem on the asymptotics for the solution of multidimensional nonlinear Boussinesq equation with respect to a small parameter $\ve$ is considered. The asymptotic expansion of the solution of this problem with respect to $\ve\to0$ for long times $t\sim {\cal O}(\ve^{-2})$ is constructed and justified. The leading terms of the asymptotic solution are defined from the multidimensional nonlinear Schrodinger equation and from the linear homogeneous wave equation.

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