基于李群理论利用直接对称法得到了(3+1)-维Jimbo-Miwa方程的对称性.在此基础上,对相应的李代数进行优化,得到了方程的七种相似约化,通过变量分离以及借助辅助函数的方法,对得到的约化方程进行求解,并且得到了方程的一些新的不变解.
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