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arXiv 0911.2290nlin.SImath-phmath.MPnlin.PS
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KP线孤子的构造及其相互作用

On the construction of the KP line-solitons and their interactions

Sarbarish Chakravarty, Tim Lewkow, Ken-ichi Maruno

摘要:

本文利用τ-函数形式研究了Kadomtsev-Petviashvili(KP)方程的线孤子解.特别地,讨论了τ-函数的朗斯基形式和格拉姆形式,并建立了这两种形式的等价性。进一步研究了KP方程两类特殊的2-孤子解的相互作用性质。

英文摘要:

The line-soliton solutions of the Kadomtsev--Petviashvili (KP) equation are investigated in this article using the tau-function formalism. In particular, the Wronskian and the Grammian forms of the tau-function are discussed, and the equivalence of these two forms are established. Furthermore, the interaction properties of two special types of 2-soliton solutions of the KP equation are studied in details.

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