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arXiv:math/0411113 [math.RT]AbstractReferencesReviewsResources

Verma modules and preprojective algebras

Christof Geiss, Bernard Leclerc, Jan Schröer

Published 2004-11-05, updated 2005-07-30Version 2

We give a geometric construction of the Verma modules of a symmetric Kac-Moody Lie algebra in terms of constructible functions on the varieties of nilpotent finite-dimensional modules of the corresponding preprojective algebra.

Comments: Minor changes. Final version. To appear in Nagoya Math. Journal
Categories: math.RT
Subjects: 14M99, 16G20, 17B67
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