Timeline for Picard group of families of smooth projective varieties
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 9 at 14:23 | vote | accept | Jooh | ||
| Aug 5 at 10:28 | comment | added | Lazzaro Campeotti | I forgot to say something about the second question. The answer to that is "no"; if $Y$ is an elliptic curve and $X=Y \times Y$ then its Picard group has rank at least 3 (cf. Hartshorne Ex IV.4.10.) | |
| Aug 5 at 9:19 | history | answered | Lazzaro Campeotti | CC BY-SA 4.0 |