Lie Point Symmetries of Differential-Difference Equations
Lie Point Symmetries of Differential-Difference Equations
摘要
In this paper, the classical Lie group approach is extended to find some Lie point symmetries of differentialdifference equations. It reveals that the obtained Lie point symmetries can constitute a Kac-Moody-Virasoro algebra.
基金
国家杰出青年科学基金，国家自然科学基金，高等学校博士学科点专项科研项目
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