Timeline for "Almost-ideals" in the (simple) Lie algebra of an algebraic group?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 3, 2018 at 14:12 | vote | accept | H A Helfgott | ||
| Nov 30, 2018 at 7:41 | comment | added | Peter McNamara | The highest weight of the adjoint representation is the highest root. You have to go through each root system (A-G) and pair this root with each simple coroot. Only the numbers 0,1 and 2 can appear. This is the same computation as what is needed to compute the Cartan matrix for the loop group, so if you know the translation, you can read it off from there. | |
| Nov 29, 2018 at 22:14 | comment | added | H A Helfgott | How would one go about enumerating such cases? | |
| Nov 29, 2018 at 12:48 | history | answered | Peter McNamara | CC BY-SA 4.0 |