Timeline for $P^2$-irreducibility of a $3$-manifold
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Sep 5, 2021 at 13:28 | vote | accept | Zhiqiang | ||
| Sep 5, 2021 at 2:42 | history | edited | Adterram | CC BY-SA 4.0 |
added 12 characters in body
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| Sep 4, 2021 at 15:32 | comment | added | Sam Nead | A few comments. 1) You need to say which double cover $p$ is. 2) It seems to me that this wants to be a proof by contrapositive, not by contradiction. 3) The phrase "not hard to show" should be avoided. Either say it is an exercise or give the necessary sentence of explanation. | |
| Sep 4, 2021 at 3:33 | history | answered | Adterram | CC BY-SA 4.0 |