Timeline for Module in category O not generated by a finite set of HWVs.
Current License: CC BY-SA 3.0
5 events
when toggle format | what | by | license | comment | |
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Aug 28, 2012 at 23:52 | vote | accept | Igor Makhlin | ||
Aug 28, 2012 at 23:32 | comment | added | Igor Makhlin | Yes, just before you posted I'd understood it was this modified concept of duality I wasn't grasping. Will have to read up on that! | |
Aug 28, 2012 at 23:28 | comment | added | Jim Humphreys | @Igor: Ben isn't talking about the usual dual space, but rather the BGG dual module. See my clarification and example. | |
Aug 28, 2012 at 23:18 | comment | added | Igor Makhlin | I'm somewhat confused. Isn't the set of weights $\Pi(V_\lambda^*)$ equal to $-\Pi(V_\lambda)$? This would stop $V_\lambda^*$ from lying in $\mathcal O$ since its set of weights would have no maximal element. | |
Aug 28, 2012 at 22:03 | history | answered | Ben Webster♦ | CC BY-SA 3.0 |