Timeline for Are the slopes of normal bundles of curves bounded from below?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 3, 2021 at 13:52 | comment | added | Wenlong | @JasonStarr Thank you. I hope it doesn't annoy you but what if we restrict to Calabi-Yau threefolds? | |
| Sep 3, 2021 at 13:49 | vote | accept | Wenlong | ||
| Sep 3, 2021 at 13:42 | comment | added | Jason Starr | @Wenlong Welcome new contributor. That is still negative. Fix a line in projective $3$-space. For every positive integer $d$ you can find a smooth degree-$d$ hypersurface containing the line. The normal bundle is an invertible sheaf on the line of degree $2-d$, which is arbitrarily negative as $d$ increases. | |
| Sep 3, 2021 at 13:28 | comment | added | Wenlong | What if we ask the ambient variety to have non-negative Kodaira dimension? | |
| Sep 3, 2021 at 13:20 | history | answered | Sasha | CC BY-SA 4.0 |