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Universal deformation rings of modules over Frobenius algebras

✍ Scribed by Frauke M. Bleher; José A. Vélez-Marulanda


Book ID
113675592
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
434 KB
Volume
367
Category
Article
ISSN
0021-8693

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📜 SIMILAR VOLUMES


Modules, Comodules, and Cotensor Product
✍ Lowell Abrams 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 95 KB

We characterize noncommutative Frobenius algebras A in terms of the existence of a coproduct which is a map of left A e -modules. We show that the category Ž . of right left comodules over A, relative to this coproduct, is isomorphic to the Ž . category of right left modules. This isomorphism enable