On the geometry of orbit closures for representation-infinite algebras
classification
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keywords
algebrasexampleorbitrepresentation-infinitealgebraclosureclosurescohen-macaulay
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For the Kronecker algebra, Zwara found in [14] an example of a module whose orbit closure is neither unibranch nor Cohen-Macaulay. In this paper, we explain how to extend this example to all representation-infinite algebras with a preprojective component.
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