1) Strong sequence-covering mapping
强序列覆盖映射
2) 1-sequence-covering mapping
1序列覆盖映射
1.
In this note,it is shown that if f:X→Y is a sequence-covering k-mapping and X is a metric space, then f is a 1-sequence-covering mapping.
利用sn覆盖和cs覆盖概念,以及度量空间的序列覆盖k-映象和1序列覆盖k-映象的内部特征,证明了度量空间上的序列覆盖k-映射是1序列覆盖映射,并构造例子说明度量空间上的序列商k-映射不是序列覆盖映射。
3) sequence-covering mapping
序列覆盖映射
1.
In this note,it is shown that if f:X→Y is a sequence-covering k-mapping and X is a metric space, then f is a 1-sequence-covering mapping.
利用sn覆盖和cs覆盖概念,以及度量空间的序列覆盖k-映象和1序列覆盖k-映象的内部特征,证明了度量空间上的序列覆盖k-映射是1序列覆盖映射,并构造例子说明度量空间上的序列商k-映射不是序列覆盖映射。
4) Sequence-covering mappings
序列覆盖映射
1.
The characteristics of mappings of locally compact Lindelf spaces are established under some sequence-covering mappings by means of the concepts of cs-covers,sn-covers,cs~*-covers,k system,respectively.
利用特定的覆盖性质,借助序列覆盖映射,建立局部紧L indelo。
2.
As an application,it is proved that the closed sequence-covering mappings preserve sequnential submesocompactness.
利用σ-闭包保持闭加细刻画了序列式次中紧空间,作为应用,闭序列覆盖映射保持序列次中紧性。
5) 2-sequence-covering mapping
2-序列覆盖映射
6) sequence-covering map
序列覆盖映射
1.
In this paper two sequence-covering mappings are introduced, and sequencecovering s-images of metric spaces are discussed.
本文定义了两类序列覆盖映射，讨论了度量空间的序列覆盖ｓ映象。
补充资料：椐椐强强
1.相随貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条