Timeline for Is the Grothendieck ring of varieties reduced?
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 2, 2010 at 10:10 | vote | accept | Dan Petersen | ||
| Sep 27, 2010 at 16:22 | answer | added | Torsten Ekedahl | timeline score: 15 | |
| Sep 9, 2010 at 7:41 | comment | added | Qing Liu | In positive characteristic $p$, if you take two supersingular elliptic curves $E_1, E_2$, then $E_i\times E_j$ is isomorphic to $E_1^2$ for any pair $i,j$, so $([E_1]-[E_2])^2=0$. But it is unclear for me why should $[E_1]=[E_2]$. | |
| Sep 4, 2010 at 16:49 | history | asked | Dan Petersen | CC BY-SA 2.5 |