Timeline for Longest element of a Weyl group
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Sep 13, 2011 at 22:43 | history | edited | Jim Humphreys | CC BY-SA 3.0 |
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| Sep 12, 2011 at 20:21 | comment | added | th.ng | Indeed, I worked with those 3 references and especially with yours, and I was a wondering if I missed something about this longest element or not. Though you are right, with 26.3(b) I thought I was really next to a proof, but still, as I commented above, one has to examine precisely the action of $w_0$, and the fact that $w_0$ send $\phi^+$ on $-\phi^+$ does not seem obvious to me, without using the action on Weyl chambers. | |
| Sep 12, 2011 at 19:45 | history | answered | Jim Humphreys | CC BY-SA 3.0 |