Timeline for Elliptic curves with square conductor
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 12, 2014 at 6:54 | comment | added | Conder | Indeed you are right, I was typing before thinking, not taking twists into account. Maybe I was muddling it to "integral j-invariant" rather than squarefree conductor. | |
| Apr 12, 2014 at 4:35 | comment | added | Will Sawin | @Conder: Are you sure that's true? What about a quadratic twist of a curve of semistable reduction, so a fiber of type $I_n^*$? | |
| Apr 12, 2014 at 3:49 | vote | accept | 352506 | ||
| Apr 12, 2014 at 2:14 | answer | added | Joe Silverman | timeline score: 4 | |
| Apr 12, 2014 at 0:26 | comment | added | Conder | Usually the conductor is arithmetic, not geometric in meaning. Square conductor in particular means that it has everywhere good reduction after a field extension, as opposed to the case where there is a prime of multiplicative reduction, when this is not possible. | |
| Apr 11, 2014 at 21:03 | history | asked | 352506 | CC BY-SA 3.0 |