Title of article :
σ-NORMALITY OF TOPOLOGICAL SPACES
Author/Authors :
MIRZAVAZIRI, MADJID ferdowsi university of mashhad - Department of Mathematics, مشهد, ايران
Abstract :
We generalize the notion of normality on topologicalspaces to -normality.σ-version of the Urysohn’s lemma is established and σ-normality is characterized in terms of semi-continuityand σ-continuity.
Journal title :
Bulletin of the Iranian Mathematical Society
Journal title :
Bulletin of the Iranian Mathematical Society
