Title of article :
A note concerning the Collins, Reed, Roscoe, Rudin metrization theorem
Author/Authors :
Gao، نويسنده , , Yin-Zhu، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 1996
Abstract :
We investigate conditions varying on W(x): x ε X, where each W(x) is a countable family of subsets containing ξ. Characterizations and mapping properties of them are obtained. New criteria for σ-spaces are given.
Keywords :
Neighborhood decreasing (G) , Semi-stratifiable spaces , ?-spaces , Closed maps
Journal title :
Topology and its Applications
Journal title :
Topology and its Applications
