Timeline for For a fiber bundle $f:M\to S^1$, is there a point whose horizontal lift is a circle?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 28, 2020 at 7:27 | comment | added | Marco Golla | Oops. Non-orientable things are confusing. You're right. | |
| Sep 26, 2020 at 12:31 | comment | added | Gael Meigniez | I cannot agree, Marco. It does have a section (which is weaker than being a product). | |
| Sep 25, 2020 at 7:11 | comment | added | Marco Golla | The second assertion doesn't seem to be true: the Klein bottle (viewed as the non-orientable $S^1$-bundle over $S^1$) does not have a section. | |
| Sep 24, 2020 at 22:12 | history | answered | Gael Meigniez | CC BY-SA 4.0 |