On Hochschild Cohomology of Preprojectiv
β
Karin Erdmann; Nicole Snashall
π
Article
π
1998
π
Elsevier Science
π
English
β 268 KB
We study the Hochschild cohomology of a finite-dimensional preprojective algebra β³; this is periodic by a result of Schofield. In particular, for β³ of type A , n we obtain the dimensions and explicit characterizations and bases for all Hochschild cohomology groups.