Timeline for Example of a sub-bialgebra of a Hopf algebra that is not a Hopf subalgebra
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 14, 2021 at 18:41 | vote | accept | Jake Wetlock | ||
| Jan 14, 2021 at 18:36 | vote | accept | Jake Wetlock | ||
| Jan 14, 2021 at 18:41 | |||||
| Jan 14, 2021 at 16:57 | answer | added | Theo Johnson-Freyd | timeline score: 4 | |
| Jan 14, 2021 at 15:47 | comment | added | Adrien | Indeed, if $H$ is the group algebra of the free group on two generators $x,y$, then the sub-algebra generated by $x,y$ is a subbialgebra but not sub-Hopf. | |
| Jan 14, 2021 at 15:12 | comment | added | Jim | Perhaps a group algebra $k[G]$ along with a choice of submonoid $M$ of $G$ gives you what you want? | |
| Jan 14, 2021 at 15:07 | history | asked | Jake Wetlock | CC BY-SA 4.0 |