| Title:
|
Notes on strongly Whyburn spaces (English) |
| Author:
|
Sakai, Masami |
| Language:
|
English |
| Journal:
|
Commentationes Mathematicae Universitatis Carolinae |
| ISSN:
|
0010-2628 (print) |
| ISSN:
|
1213-7243 (online) |
| Volume:
|
57 |
| Issue:
|
1 |
| Year:
|
2016 |
| Pages:
|
123-129 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| Summary:
|
We introduce the notion of a strongly Whyburn space, and show that a space $X$ is strongly Whyburn if and only if $X\times(\omega+1)$ is Whyburn. We also show that if $X\times Y$ is Whyburn for any Whyburn space $Y$, then $X$ is discrete. (English) |
| Keyword:
|
Whyburn |
| Keyword:
|
strongly Whyburn |
| Keyword:
|
Fréchet-Urysohn |
| MSC:
|
54A25 |
| MSC:
|
54D55 |
| idZBL:
|
Zbl 06562202 |
| idMR:
|
MR3478345 |
| DOI:
|
10.14712/1213-7243.2015.139 |
| . |
| Date available:
|
2016-04-12T05:10:16Z |
| Last updated:
|
2020-01-05 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/144921 |
| . |
| Reference:
|
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| . |
