Timeline for What are non-trivial examples of non-singular blow-ups of a non-singular variety?
Current License: CC BY-SA 2.5
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 9, 2015 at 22:37 | comment | added | Puzzled | Why is this true? It is seems to me that if we blow-up the three lines the fiber over the origin is $\mathbb{P}^3$, while if we first blow-up the origin and the three lines the fiber over the origin is $\mathbb{P}^2$ blown-up in three points. | |
| Nov 20, 2010 at 8:43 | history | answered | Blup | CC BY-SA 2.5 |