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On the first Hochschild cohomology group of an algebra

✍ Scribed by José Antonio de la Peña; Manuel Saorín


Publisher
Springer
Year
2001
Tongue
English
Weight
104 KB
Volume
104
Category
Article
ISSN
0025-2611

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On Hochschild Cohomology of Preprojectiv
✍ Karin Erdmann; Nicole Snashall 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 273 KB

We study the Hochschild cohomology of a finite-dimensional preprojective algebra; this is periodic by a result of A. Schofield. We determine the ring structure of the Hochschild cohomology ring given by the Yoneda product. As a result we obtain an explicit presentation by generators and relations.