具有双曲轨道的复多项式向量场
Complex polynomial vector fields having a finitely curved orbit
摘要:
在本文中,我们解决了以下问题:(i)设$C\subset \mathbb C^2$是一个轨道的多项式向量场,具有有限的总高斯曲率。$C$是否包含在代数曲线中?(ii)对于一个具有超验轨道的多项式向量场,我们能说些什么呢?在一定的非退化条件下,我们对由向量场诱导的射影叶理的奇异性给出了肯定的回答。对于向量场与一个稍微更一般类的奇点,我们证明了一个分类结果,捕获合理的拉回庞加莱-杜拉克规范形式。
英文摘要:
In this paper we address the following questions: (i) Let $C\subset \mathbb C^2$ be an orbit of a polynomial vector field which has finite total Gaussian curvature. Is $C$ contained in an algebraic curve? (ii) What can be said of a polynomial vector field which has a finitely curved transcendent orbit? We give a positive answer to (i) under some non-degeneracy conditions on the singularities of the projective foliation induced by the vector field. For vector fields with a slightly more general class of singularities we prove a classification result that captures rational pull-backs of Poincaré-Dulac normal forms.
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