| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5778026 | Topology and its Applications | 2017 | 7 Pages |
Abstract
In this paper we also generalize (2) by showing that if X is a T1-space, then |X|â¤2nhs(X)â
2s(X). It follows from our result that (2) is true for every T1-space for which nhs(X)â¤2s(X). A simple example shows that the presence of the cardinal function nhs(X) in our inequality is essential.
Related Topics
Physical Sciences and Engineering
Mathematics
Geometry and Topology
Authors
Ivan S. Gotchev,