摘要
给出了局部可分度量空间的序列商(子序列覆盖)π映象,序列覆盖的s,π映象等的内在刻画,部分回答了一个公开问题.
Sequentially quotient (subsequence-covering), π images and sequence-covering, s, π images of locally separable metric spaces are discussed and their internal characterizations are given, which partially answers a question.
出处
《山东大学学报(理学版)》
CAS
CSCD
北大核心
2007年第8期86-90,94,共6页
Journal of Shandong University(Natural Science)
基金
山东建筑大学校内基金资助项目(XN060102)
关键词
序列商映射
Π映射
序列覆盖映射
cs^*覆盖
cs覆盖
点星网
quentially quotient mappings
π mappings
sequence-covering mappings
cs~ covers
cs covers
point-star networks