Timeline for Lifting automorphisms on a Blow-up surface
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 12, 2023 at 19:48 | comment | converted from answer | Antoine | Why is the morphism $f$ injective? I see clearly why an automorphism in $\ker(f)$ is trivial away from $E$, but why is it also the identity on $E$? | |
| May 10, 2014 at 16:12 | vote | accept | Puzzled | ||
| Jun 13, 2011 at 20:30 | answer | added | Sasha | timeline score: 3 | |
| Jun 13, 2011 at 13:19 | answer | added | J.C. Ottem | timeline score: 9 | |
| Jun 13, 2011 at 13:06 | history | asked | Puzzled | CC BY-SA 3.0 |