Timeline for When is the Jacobian a product?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 2, 2016 at 8:47 | vote | accept | Alex Gavrilov | ||
| Oct 2, 2016 at 8:27 | comment | added | Dan Petersen | Yes, it's irreducible, as long as you consider only curves $C$ which admit a minimal map $C \to E$ of a given degree, where minimal means that the map doesn't factor through an isogeny of elliptic curves. These hypersurfaces are called Humbert surfaces of square discriminant. | |
| Oct 2, 2016 at 7:53 | comment | added | Alex Gavrilov | Thank you. Is there a reason to expect this hypersurface to be irreducible? | |
| Oct 2, 2016 at 7:37 | history | answered | Dan Petersen | CC BY-SA 3.0 |