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arxiv: math/0411113 · v2 · pith:YH3DRYHYnew · submitted 2004-11-05 · 🧮 math.RT

Verma modules and preprojective algebras

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keywords modulesalgebrapreprojectivevermaalgebrasconstructibleconstructioncorresponding
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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.

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