Lie Stacks and Their Enveloping Algebras
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Lieven Le Bruyn
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Article
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1997
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Elsevier Science
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English
β 437 KB
Lie stack is an algebra morphism s : A Γ A B where A and B are finite dimensional C-algebras with B being augmented local. We construct the enveloping algebra U(s) of a Lie stack and show that it is an irreducible Hopf algebra domain with a Poincare Birkhoff Witt basis. We recover the enveloping alg