Timeline for What is a pointed Hopf algebra?
Current License: CC BY-SA 3.0
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| Jan 25, 2012 at 15:53 | comment | added | Eric Rowell | I would add to Vendramin's answer that for finite-dimensional semisimple pointed Hopf algebras $H$, the representation category $Rep(H)$ is much like a group: all the simple objects (irreps.) are invertible. As such these are essentially classified, and the \emph{non-semisimple} case is of greatest interest. | |
| Jan 25, 2012 at 13:13 | history | answered | Leandro Vendramin | CC BY-SA 3.0 |