数学物理学报

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一类非线性方程的Backlund变换以及紧孤立波解的线性稳定性

殷久利; 田立新   

  1. 江苏大学非线性科学研究中心 镇江212013
  • 收稿日期:2005-09-21 修回日期:2006-05-12 出版日期:2007-02-25 发布日期:2007-02-25
  • 通讯作者: 殷久利
  • 基金资助:
    国家自然科学基金(10071033)和国库集中支付助项目(1223000054)资助

Stability of Compacton Solutions and Backlund Transformation for One Type of Nonlinear Equations

Yin Jiuli; Tian Lixin   

  1. Nonlinear Scientific Research Center, Jiangsu University, Zhenjiang 212003
  • Received:2005-09-21 Revised:2006-05-12 Online:2007-02-25 Published:2007-02-25
  • Contact: Yin Jiuli

摘要: 引进五阶线性色散项方程K(m,n,1),用逆算符方法得到了sin型多重compacton 解(紧孤立波解);利用齐次平衡法得到了K(2,2,1)方程的Backlund变换,并且得到一些新的孤立波解;最后研究了sin型多重compacton解的线性稳定性.

关键词: K(m,n,1)方程, compacton解, Backlund变换, 线性稳定性

Abstract: Introducing K(m,n,1) equation with linear fifth-order dispersion, the authors obtain sin-compacton solutions by Adomian decomposition method. Using the homogeneous balance(HB) method, the authors obtain a Backlund transformation of a special equation K(2,2,1) to determine some new solitary solutions of the equation. The authors finally show the linear stability of all obtained sin-typed multi-compacton solutions.

Key words: K(m,n,1) equation, Compacton, Backlund transformation, Linear stability

中图分类号: 

  • 35Q