摘要
本文利用局部可数簇的概念,给出了度量空间的1序列覆盖SS象和2序列覆盖SS象以刻划。
In this paper,we introduce the concept of localy countable and give the characterizations of one sequencecovering ard two sequencecovering ss images of metric spaces.
出处
《安徽大学学报(自然科学版)》
CAS
1998年第2期1-2,12,共3页
Journal of Anhui University(Natural Science Edition)