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Jianrong Li's user avatar
Jianrong Li's user avatar
Jianrong Li's user avatar
Jianrong Li
  • Member for 13 years, 11 months
  • Last seen this week
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Relation between $3$-term Plücker relations and more than $3$-term Plücker relations
@SamHopkins, thank you very much! Yes, I assume that we can multiply a monomial to the $r$-term ($r \ge 4$) Plucker relation.
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Non-rigid modules and Auslander-Reiten quiver
added 17 characters in body
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Matrix representations of Lie groups of type $B_n$
I have a question about your notation $A^{-T}$. Does it mean $(A^{-1})^T$? Thank you very much.
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revised
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Matrix representations of Lie groups of type $B_n$
thank you very much for your answer! I forgot to mention in the question that $B, C$ are skew-symmetric: $B=-B^T, C=-C^T$.
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Matrix representations of Lie groups of type $B_n$
@LSpice, yes, maybe this is what I am looking for. Do you have some references about this? Thank you very much!
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Reference request: Weyl group action on the power set of positive roots
@AndreiSmolensky, yes, you are right. I would like to define a map to send ${\bf p}_{\bf i, \bf j}$ to ${\bf p}_{w \cdot \bf i, \bf j}$ for every $w \in S_m$. Maybe this is not necessarily an action. I would like to have a similar result as the Lemma for other Weyl groups.
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