Timeline for Uniqueness of collar neighborhoods for non-compact boundary case in smooth setting
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 25, 2021 at 16:44 | comment | added | Shijie Gu | Maybe the boundary needs to be slightly stronger than paracompact? | |
| Apr 25, 2021 at 14:40 | comment | added | Stefan Friedl | As stated the answer is no. You also need to assume that the image of the collaring maps is closed. Otherwise it is fairly straightforward to find counterexamples. I also spent some time trying to find a reference for this statement, but I was not successful either. | |
| Apr 25, 2021 at 14:13 | history | undeleted | Someone | ||
| Apr 25, 2021 at 13:52 | history | deleted | Someone | via Vote | |
| Apr 25, 2021 at 5:59 | history | asked | Someone | CC BY-SA 4.0 |