Vol. 15 (2007)
Articles

Some characterizations of locally separable Metrizable Spaces

Xun Ge
Department of Mathematics, College of Zhangjiagang, Jiangsu University of Science and Technology, Zhangjiagang, Jiangsu, 215600, P.R.China 

Published 28-02-2025

Keywords

  • metrizable space,
  • locally separable space,
  • locally Lindel¨of space,
  • locally countable base,
  • \(\sigma\) -weakly hereditarily closure-preserving base. 

Abstract

In this paper, we prove that a space \(X\) is a locally separable metrizable space iff \(X\) has a locally countable base, iff \(X\) is a locally Lindel¨of space with a \(\sigma\) -weakly hereditarily closure-preserving base.