摘要
文章给出了平面解析微分系统孤立奇点的某个方向是特殊方向的比较一般性的准则,并用例子说明它推广了已有文献中的相应结果。
A general criterion is given in this paper, which some direction for an isolated singular point of a planar system is a special direction, and an example in the references is also given, which denotes that this criterion really generalizes the corresponding results.
出处
《浙江理工大学学报（自然科学版）》
2009年第4期633-637,662,共6页
Journal of Zhejiang Sci-Tech University(Natural Sciences)
基金
国家自然科学基金项目(10871181)
宁波市自然科学基金项目(2008A610029)
关键词
孤立奇点
特殊方向
示性方程
isolated singular point
special direction
characteristic equation
