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修正Boussinesq方程的N-次Darboux变换与精确解
N-fold Darboux Transformation and Exact Solutions of the Modified Boussinesq Equation
【摘要】 基于一个3×3矩阵Lax对,研究修正Boussinesq方程的N-次Darboux变换。首先给出修正Boussinesq方程Darboux变换的简捷证明。其次通过迭代给出N-次Darboux变换,最后利用Darboux变换获得修正Boussinesq方程和Boussinesq方程的精确解。
【Abstract】 N-fold Darboux transformation of the modified Boussinesq equation is established and studied based on its Lax pair with3 × 3matrix in the paper. Firstly, a simple proof for the Darboux transformation of modified Boussinesq equation is given. Secondly, N-fold Darboux transformation is derived by iterations. And then, the exact solutions of the modified Boussinesq equation and Boussinesq equation are obtained.
【关键词】 Boussinesq方程;
Darboux变换;
3×3矩阵Lax对;
精确解;
【Key words】 modified Boussinesq equation; Darboux transformation; Lax pair of 3×3 matrix; exact solution;
【Key words】 modified Boussinesq equation; Darboux transformation; Lax pair of 3×3 matrix; exact solution;
【基金】 国家自然科学基金资助项目(11861050,11361040);内蒙古自治区自然科学基金资助项目(2020LH01010,2020LH01008);内蒙古师范大学基本科研业务费专项资助项目(2022JBZD011,2022JBTD007)
- 【文献出处】 内蒙古师范大学学报(自然科学汉文版) ,Journal of Inner Mongolia Normal University(Natural Science Edition) , 编辑部邮箱 ,2023年01期
- 【分类号】O175
- 【下载频次】9