Timeline for Fano varieties of cubic threefolds
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 28, 2014 at 21:19 | comment | added | Charles Siegel | roy, thanks I figured, but I didn't have it near me to check. Yusuf, good point, I think there's a way to save this set up, but I don't know it offhand. | |
| Oct 27, 2014 at 15:20 | comment | added | Yusuf Mustopa | A minor point: there are nonhyperelliptic genus-4 curves with a unique $g^{1}_{3}.$ | |
| Oct 27, 2014 at 5:49 | comment | added | roy smith | the original reference was Clemens-Griffiths. | |
| Oct 25, 2014 at 19:00 | comment | added | Daniel Loughran | Nice! (black space) | |
| Oct 25, 2014 at 18:37 | comment | added | Charles Siegel | Yes. A nodal cubic threefold can be written as $F_3(x_1,x_2,x_3,x_4)+x_0F_2(x_1,x_2,x_3,x_4)$ where $\deg F_i=i$. The corresponding genus 4 curve is $F_2=F_3=0$ in $\mathbb{P}^3$. | |
| Oct 25, 2014 at 17:14 | comment | added | Daniel Loughran | Does every non-hyperelliptic curve of genus $4$ arise this way? | |
| Oct 25, 2014 at 15:17 | history | answered | Charles Siegel | CC BY-SA 3.0 |