A mapping theorem on $\aleph$-spaces

Authors

  • Zhaowen Li Dept. of Math., Changsha University of Science and Technology, Changsha, Hunan 410077, P.R.China Author

Keywords:

$\aleph$-spaces, strong compact-covering mappings, $\sigma$-mappings, $k$-spaces, Fréchet spaces

Subjects:

54\, E\, 99, C\, 10

Abstract

In this paper we give a mapping theorems on $\aleph$-spacesby means of strong compact-covering mappings and$\sigma$-mappings. As an application, we getcharacterizations of quotient (pseudo-open) $\sigma$-images of metric spaces.

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Published

2005-04-15