Open AccessNew Topologies between the Usual Topology and the Half-disc
Author(s) -
Nadiah Alghamdi,
Lutfi Kalantan
Publication year - 2021
Publication title -
european journal of pure and applied mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.245
H-Index - 5
ISSN - 1307-5543
DOI - 10.29020/nybg.ejpam.v14i4.4061
Subject(s) - mathematics , topology (electrical circuits) , network topology , comparison of topologies , extension topology , plane (geometry) , geometry and topology , general topology , weak topology (polar topology) , normality , pure mathematics , combinatorics , geometry , topological space , computer science , statistics , operating system
We generate new topologies on the closed upper half plane which lie between the usual topology and the half-disc topology. We study some of their fundamental properties and weaker versions of normality.