Timeline for There is nonzero primitive element in finite dimensional pointed hopf algebra over C???
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 7, 2011 at 18:13 | comment | added | Mariano Suárez-Álvarez | Usually, most questions are happy enough with one question mark. | |
| Oct 7, 2011 at 16:07 | comment | added | darij grinberg | (Tell me if you want the proof.) | |
| Oct 7, 2011 at 16:06 | comment | added | darij grinberg | If $x$ is a primitive element in a Hopf algebra over a field of characteristic $0$, then $1$, $x$, $x^2$, ... are linearly independent over the field (unless $x=0$), so the Hopf algebra cannot be finitely-dimensional. | |
| Oct 7, 2011 at 14:01 | history | asked | X--- | CC BY-SA 3.0 |