On coarse and fine neighbourhood operators
Date
2012
Authors
Razafindrakoto A.
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
We introduce the concept of initial and final neighbourhood operators and apply them to describe the notion of connectedness in the sense of Arhangel'skii{dotless}̌ and Wiegandt. We also introduce and discuss the separation axioms T
0 and T
1. © 2012 Elsevier B.V..
Description
Article
Keywords
Connectedness, Constant morphisms, Interior operators, Neighbourhood operators
Citation
Topology and its Applications
159
13
3067
3079
159
13
3067
3079