Timeline for difference of curve classes
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Oct 25, 2012 at 15:48 | comment | added | Mark Gross | Yes, they do. This Calabi-Yau is a small resolution of a (2,2,2,2) complete intersection in ${\bf P}^7$, and the curves in question are exceptional curves for this small resolution. Each such curve contributes $1$ to the Gromov-Witten invariants of its homology class. | |
| Oct 25, 2012 at 14:59 | comment | added | Mohammad Farajzadeh-Tehrani | Thanks Mark, and do these two homology classes have non-trivial GW invariants? I am asking this just for curiosity. | |
| Oct 25, 2012 at 4:59 | history | answered | Mark Gross | CC BY-SA 3.0 |