摘要
主要探讨了如何利用超空间2X的Vietoris拓扑中的开集去描述集合序列的上、下极限,并给出了一些反例。
In this paper, the authors investigate mainly how to use open sets in Vietoris topology of 2x to give a description of lower limit and upper limit, and some counterexamples axe given.
出处
《柳州师专学报》
2009年第5期117-119,共3页
Journal of Liuzhou Teachers College
基金
This work was supported by the NSFC (No.10661001)
partially by the NSF of Guangxi (No.0832275,No.0897012)
the Science Foundation of Guangxi Education Department (No.200807MS001)
the Natural Science Foundation of Liuzhou Teachers College (LSZ2007A003)
the Science Foundation of Guangxi University of Finance and Economics (2009B02)
