Timeline for Meaning of Yang-Baxter equation for classical $r$-matrix
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 11, 2020 at 9:33 | history | edited | CommunityBot |
Commonmark migration
|
|
| Apr 30, 2018 at 12:56 | history | edited | Qmechanic♦ | CC BY-SA 3.0 |
Added explanation
|
| Apr 29, 2018 at 19:37 | vote | accept | Prof. Legolasov | ||
| Apr 29, 2018 at 19:37 | comment | added | Prof. Legolasov | @AccidentalFourierTransform I think I get it now, thanks! So basically, we are considering the universal enveloping algebra instead of the Lie algebra itself. And we are using the unit from that enveloping algebra here. Right? | |
| Apr 29, 2018 at 19:28 | comment | added | AccidentalFourierTransform | @SolenodonParadoxus It's like when considering central extensions: $\hat{\mathfrak g}=\mathfrak{g}\oplus \mathbb C{\bf 1}$, where ${\bf 1}$ commutes with everything. Right? | |
| Apr 29, 2018 at 18:41 | comment | added | Prof. Legolasov | Could you explain what it means to “formally extend a Lie algebra with a unit element”, please? | |
| Apr 29, 2018 at 16:15 | history | edited | Qmechanic♦ | CC BY-SA 3.0 |
Added explanation
|
| Apr 29, 2018 at 13:44 | history | edited | Qmechanic♦ | CC BY-SA 3.0 |
added 43 characters in body
|
| Apr 29, 2018 at 8:45 | history | edited | Qmechanic♦ | CC BY-SA 3.0 |
deleted 85 characters in body
|
| Apr 29, 2018 at 8:31 | history | answered | Qmechanic♦ | CC BY-SA 3.0 |