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math.RT2015
Irreducible components of varieties of representations II
Birge Huisgen-Zimmermann, Ian Shipman
The goals of this article are as follows: (1) To determine the irreducible components of the affine varieties parametrizing the representations of with dimension vector d, whe…
math.RT2009★ 4 cited
Generalized Weyl algebras: category O and graded Morita equivalence
Ian Shipman
We study the structural and homological properties of graded Artinian modules over generalized Weyl algebras (GWAs), and this leads to a decomposition result for the category of gr…