Discrete Negative Order Potential Korteweg-de Vries Equation

被引:3
|
作者
Zhao, Song-lin [1 ]
Sun, Ying-ying [2 ,3 ]
机构
[1] Zhejiang Univ Technol, Dept Appl Math, Hangzhou 310023, Zhejiang, Peoples R China
[2] Shanghai Univ, Dept Math, Shanghai 200444, Peoples R China
[3] Univ Sydney, Sch Math & Stat F07, Sydney, NSW 2006, Australia
关键词
Continuum Limit; Discrete Negative Order Equation; Generalised Cauchy Matrix Approach; Solutions; PARTIAL DIFFERENCE-EQUATIONS; VARIABLE SEPARATION; KDV EQUATION; SYMMETRIES; SOLITONS;
D O I
10.1515/zna-2016-0324
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We investigate a discrete negative order potential Korteweg-de Vries (npKdV) equation via the generalised Cauchy matrix approach. Solutions more than multisoliton solutions of this equation are derived by solving the determining equation set. We also show the semi-discrete equation and continuous equation together with their exact solutions by considering the continuum limits.
引用
收藏
页码:1151 / 1158
页数:8
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