摘要
给出了诱导空间中Ｎ－导集的分解式，讨论了Ｎ－导集的层次结构。
In this paper,a decomposition formula of N derived sets is given in induced spaces and a gradation structure of N derived sets is discussed.
出处
《江汉石油学院学报》
CSCD
北大核心
1998年第3期122-125,共4页
Journal of Jianghan Petroleum Institute
关键词
拓扑空间
诱导空间
N-导集
层次结构
LF topological spaces
induced space
N derived sets
gradation structure
