Timeline for Factoriality of one-nodal Calabi-Yau threefolds
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 7, 2013 at 15:36 | comment | added | Mark Gross | Francesco, that's right. | |
| Aug 7, 2013 at 15:25 | comment | added | Francesco Polizzi | Blowing-up the ODP one obtains as exceptional divisor a smooth quadric in $\mathbb{P}^3$. If there is no algebraic small resolution then the two rulings of this quadric must be numerically equivalent in the blown-up threefold, right? | |
| Aug 7, 2013 at 15:25 | comment | added | Rhys Davies | Thanks Mark, that's exactly what I was after. I was actually reading Friedman's paper, but with my poor grasp of deformation theory, I hadn't managed to extract what I needed! | |
| Aug 7, 2013 at 15:21 | vote | accept | Rhys Davies | ||
| Aug 7, 2013 at 15:03 | history | answered | Mark Gross | CC BY-SA 3.0 |