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arXiv 2009.04147math.RT
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A note on parabolic Verma module homomorphisms over Kac-Moody Algebras

Xingpeng Liu

英文摘要:

We consider a general parabolic category $\mathcal{O}_{S}$ over symmetrizable Kac-Moody algebras. We introduce a reduction rule of hom-spaces between parabolic Verma modules over different Kac-Moody algebras which yield some applications on parabolic Verma module homomorphisms.

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