Timeline for projective plane cubics with exactly 9 real points
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 13, 2018 at 17:25 | comment | added | Dima Pasechnik | OK --- indeed, all you need is that the space of real cubics vanishing on the 8 points is 2-dimensional, and $C_1$ and $C_2$ do not share a component. | |
| Jun 13, 2018 at 17:23 | vote | accept | Dima Pasechnik | ||
| Jun 13, 2018 at 16:37 | comment | added | Dima Pasechnik | Well, this is the intuition (one can probably even replace "random" by "no 4 on a line, no 7 on a conic"). But I don't know how one does make this into a proof. | |
| Jun 13, 2018 at 16:29 | history | answered | Noam D. Elkies | CC BY-SA 4.0 |