关于具有两个二次代数曲线解的三次系统的极限环

Concerning Limit Cycle of Cubic System with Quadratic Algebraic Curve Solution

本文介绍近年来在这方面研究的进展情况,同时给出一些新的结果,并提出一些尚未解决的问题。

This paper outlines some develoments of the studies of cubic system with two alge-braic curve solutions, and some results are the first to be announced here, we also raisesome unsolved problems.