Timeline for Constructing tensor structures for representations over group schemes
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
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| Jul 7, 2023 at 8:21 | comment | added | Adrien | I don't know if this is what you're asking, but indeed it seems this is backward: if you're looking at the coordinate algebra $O(G)$ then the coproduct encodes the multiplication of $G$, and then the tensor product in fact matches the multiplication of $O(G)$. In other words algebraic representations of $G$ are $O(G)$-comodules, not modules. | |
| Jul 7, 2023 at 1:34 | history | asked | Justin Bloom | CC BY-SA 4.0 |