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arXiv 1407.7948math.CAmath.DS
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解析微分系统的广义有理首次积分

Generalized rational first integrals of analytic differential systems

Wang Cong, Jaume Llibre, Xiang Zhang

摘要:

本文主要研究常微分系统通过共振存在函数独立的广义有理首次积分的必要条件。主要结果推广了以前的一些相关结果,如经典的Poincaré的\cite{Po},Furta的,Chen的部分结果和Shi的结果.证明主要结果的关键是广义有理函数的函数独立性蕴涵着它们的最低阶有理齐次项的函数独立性。

英文摘要:

In this paper we mainly study the necessary conditions for the existence of functionally independent generalized rational first integrals of ordinary differential systems via the resonances. The main results extend some of the previous related ones, for instance the classical Poincaré's one \cite{Po}, the Furta's one, part of Chen's ones, and the Shi's one. The key point in the proof of our main results is that functionally independence of generalized rational functions implies the functionally independence of their lowest order rational homogeneous terms.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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