The Hochschild Cohomology ring of preprojective algebras of type Ln

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.

37 pages

References in corpus (2)

• Multiplicative structures for Koszul algebras
• Periodic resolutions and self-injective algebras of finite type