关于开周期环的有限循环性
On the finite cyclicity of open period annuli
摘要:
设$Π$是解析曲面上实解析向量场$X_0$的一个开的、相对紧的周期环。证明了在给定$X_0$的多参数解析变形$X_λ$下,从$Π$分支出来的极限环的最大个数是有限的,只要$X_0$是Hamilton的,或者是一般达布向量场.
英文摘要:
Let $Π$ be an open, relatively compact period annulus of real analytic vector field $X_0$ on an analytic surface. We prove that the maximal number of limit cycles which bifurcate from $Π$ under a given multi-parameter analytic deformation $X_λ$ of $X_0$ is finite, provided that $X_0$ is either Hamiltonian, or generic Darbouxian vector field.
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