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Projectivity and isomorphism of strictly simple algebras

✍ Scribed by K. A. Kearnes; Á. Szendrei


Publisher
Springer
Year
1998
Tongue
English
Weight
186 KB
Volume
39
Category
Article
ISSN
0002-5240

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Isomorphisms of Finite Invariant for Env
✍ Philippe Caldero 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 240 KB

Let g be a finite dimensional semi-simple Lie algebra, U(g) its enveloping algebra, and H a finite subgroup of Aut U(g). Let A be the invariant algebra U H . In this article, we prove that the Lie algebra g is given (up to an isomorphism) by the algebra A. If we impose that H is a finite subgroup of