摘要
本文引入了拓扑空间的半开集、半邻域、半内部和半闭包,同时给出了连续性和几种紧性的定义并讨论了相应性质。
In this paper ,the concept of semi-open set ,semi interior and semi closure are introduced ,using these semi continuous and some definitions of compactness are defined and the same time their properties are studied.
出处
《阴山学刊（自然科学版）》
2007年第1期12-13,28,共3页
Yinshan Academic Journal(Natural Science Edition)
