Timeline for Product of topological spaces and product of corresponding locales
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Dec 23, 2023 at 11:27 | comment | added | Joseph Van Name | The product of paracompact locales is always paracompact, but the Sorgenfrey plane is a product of two paracompact spaces that is not paracompact. | |
| Dec 23, 2023 at 10:17 | history | edited | Gro-Tsen |
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| Mar 8, 2023 at 20:16 | comment | added | Gro-Tsen | A reference for the folkore fact mentioned by @QiaochuYuan in his comment is proposition II.2.14 in Peter Johnstone's book Stone Spaces (1982): the locale $\Omega(\mathbb{Q}) \mathbin{\times_\ell} \Omega(\mathbb{Q})$ is not spatial. | |
| Sep 27, 2019 at 0:49 | vote | accept | Math Student 020 | ||
| Sep 25, 2019 at 15:06 | history | edited | YCor |
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| Sep 25, 2019 at 10:06 | answer | added | Tomáš Jakl | timeline score: 11 | |
| Sep 14, 2019 at 0:53 | comment | added | Qiaochu Yuan | I hear it's folklore that this isn't an isomorphism for $X = Y = \mathbb{Q}$. | |
| Sep 13, 2019 at 23:59 | history | asked | Math Student 020 | CC BY-SA 4.0 |