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(3+1)维YTSF方程的对称约化及精确非行波解 被引量:2

Symmetry reduction and explicit non-traveling wave solutions of (3+1)-dimensional YTSF equation
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摘要 利用李群方法,导出了一个非可积(3+1)维YTSF方程的对称以及该方程的若干对称约化,结合(G′/G)展开法并借助符号计算软件,得到了该方程一些新的精确非行波解. By means of Lie group method,the symmetry of a non-integrable(3+1)-dimensional YTSF equation can be easily derived and some kinds of symmetry reduction are given.Some new explicit non-traveling wave solutions are obtained using the(G′/G)-expansion method with the help of symbol computation software.
出处 《西北师范大学学报(自然科学版)》 CAS 北大核心 2012年第6期36-43,共8页 Journal of Northwest Normal University(Natural Science)
基金 国家自然科学基金资助项目(11061028 11061003) 广西自然科学基金资助项目(2011GXNSFA018137) 广西教育厅科研课题资助项目(201010LX250)
关键词 YTSF方程 李群方法 对称约化 (G′/G)展开法 精确非行波解 YTSF equation Lie group method symmetry reduction (G′/G)-expansion method explicit non-travelling wave solution
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