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On the cohomology of an algebra morphism

โœ Scribed by Murray Gerstenhaber; Samuel D Schack


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
987 KB
Volume
95
Category
Article
ISSN
0021-8693

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On Hochschild Cohomology of Preprojectiv
โœ Karin Erdmann; Nicole Snashall ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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.