一类微分-差分方程组的内禀对称和等价群变换Intrinsic symmetries and equivalence group transformations of differential-difference equations
叶余建;宋军全;沈守枫;庞加富;
摘要(Abstract):
研究一类微分-差分方程组的对称和等价群变换.采取内禀的无穷小算子方法,给出了方程组的内禀对称和等价群变换.为结合抽象Lie代数结构,给方程完全分类提供了理论基础.
关键词(KeyWords): 内禀对称;等价群变换;微分-差分方程
基金项目(Foundation): 国家自然科学基金(11001240)
作者(Authors): 叶余建;宋军全;沈守枫;庞加富;
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