Timeline for Middle cohomology of very general hyperplane sections
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 11, 2020 at 5:38 | comment | added | Jana | But, very general hypersurfaces in $\mathbb{P}^3$ of degree at least 4 has Picard number $1$. This is the Noether-Lefschetz theorem. | |
| Mar 11, 2020 at 4:45 | history | answered | Nick L | CC BY-SA 4.0 |