摘要
通过研究微分同胚及Leibniz映射对Leibniz流形上Casimir函数的作用,得出了:(1)Leibniz流形(M,[.,.]M)上的Casimir函数C(x),可以由微分同胚φ:M→N诱导为N上的Casimir函数(φ-1)*C;(2)可逆的Leibniz映射ψ:M→N,可以把N上的Casimir函数的线性组合sum (λiCi) from i=1 to s拉回为M上的Casimir函数.最后给出了Leibniz向量场和Casimir函数间的几个公式.
The effects of diffeomorphism and Leibniz mapping on Casimir function of Leibniz manifolds are investigated,which finds the following conclusions:(1) Casimir function C(x) on Leibniz manifolds(M,M),can be induced by diffeomorphism φ∶M→N to a Casimir function(φ-1)*C on N;(2) with invertible Leibniz mapping Ψ∶M→N,the linear combination of No's Casimir functions ∑s i=1λiCion N,can be pulled back into a Casimir function on M.Finally,several formulas concerning Leibniz vector field and Casimir function are presented.
出处
《内江师范学院学报》
2012年第4期15-18,共4页
Journal of Neijiang Normal University