Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)



Vanishing of extensions of twisted Verma modules

Author: Noriyuki Abe
Journal: Proc. Amer. Math. Soc. 137 (2009), 3923-3926
MSC (2000): Primary 22E47; Secondary 17B55
Published electronically: June 12, 2009
MathSciNet review: 2529902
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Abstract: We prove a vanishing theorem of extension groups between twisted Verma modules.

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Noriyuki Abe
Affiliation: Graduate School of Mathematical Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8914, Japan

Keywords: Category $\mathcal {O}$, twisted Verma modules
Received by editor(s): November 14, 2008
Received by editor(s) in revised form: March 2, 2009
Published electronically: June 12, 2009
Communicated by: Gail R. Letzter
Article copyright: © Copyright 2009 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.