摘要
给出拓扑空间上流的吸引子的子集是吸引子的充要条件 ,其结论改进了前人的结果 .
The paper gives a necessary and sufficient condition that a subset of an attractor of a fixed flow defined on a topological space is an attractor. This conclusion generalizes the corresponding results.
出处
《科技通报》
北大核心
2002年第5期388-392,共5页
Bulletin of Science and Technology
