Timeline for normalization of a stack
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 28, 2011 at 12:41 | answer | added | shenghao | timeline score: 4 | |
| Jan 28, 2011 at 11:55 | comment | added | Mattia Talpo | I don't know why you want an "ambient" stack, anyway in these notes math.upenn.edu/~kresch/teaching/AlgStacks.pdf pages 309-310, there is something about normalizations. To construct it, I think that you can just take a groupoid presentation of your stack (say it is reduced and irreducible to stay safe), take the normalization of the atlas and pullback to it the whole groupoid, and then take the associated stack of the new groupoid. | |
| Jan 28, 2011 at 10:28 | history | asked | unknown | CC BY-SA 2.5 |