cs-网络相关论文
本文证明了如下结果:(1)T3空间X具有σ-局部可数cs*-网当且仅当X是某-度量空间的序列复盖msss-映象;(2)T3空间X具有σ-局部可数cs-......
In this paper the relation between the σ-images of metrical spaces and spaces with σ-locally finite cs-network, or spa......
A mapping f: X→Y is called weak sequence-covering if whenever {ya} is a sequence in Y converging to y ∈ Y, there exist......
证明Hausdorff空间X是局部可分度量空间的强紧覆盖商s映象当且仅当X是序列空间,并且存在X的点可数覆盖{Xα:α∈A}使得每一Xα有可......
The concept of local s-countablity is introduced, and the relations between locally s-countable collections and star-cou......
