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The Hochschild Cohomology ring of preprojective algebras of type Ln
Published 13 Oct 2010 in math.RT | (1010.2790v2)
Abstract: We compute the Hochschild Cohomology of a finite-dimensional preprojective algebra of generalized Dynkin type Ln over a field of characteristic different from 2 . In particular, we describe the ring structure of the Hochschild Cohomology ring under the Yoneda product by giving an explicit presentation by generators and relations.
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