Timeline for Moving a Weil divisor on a normal surface away from a finite set of closed points
Current License: CC BY-SA 3.0
2 events
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Jul 31, 2011 at 19:55 | comment | added | Ariyan Javanpeykar | That's beautiful. How do you prove the Picard group of this surface to be Z/2Z? Does it help that it's a cyclic quotient singularity of type 1/2(1,1)? Moreover, based on Fransesco's answer in the other question, I guess this example doesn't give a counter example to the other question, right? | |
Jul 31, 2011 at 17:36 | history | answered | David E Speyer | CC BY-SA 3.0 |