The Rigid Dualizing Complex of a Universal Enveloping Algebra

Details The Rigid Dualizing Complex of a Universal Enveloping Algebra The Rigid Dualizing Complex of a Universal Enveloping Algebra

1998-10-04

arxiv.org/abs/math/9810016v1

Mathematics

Rings and Algebras

8 pages, AMSLaTeX

Scientific paper

Let k be a field and A a noetherian (noncommutative) k-algebra. The rigid dualizing complex of A was introduced by Van den Bergh. When A = U(g), the enveloping algebra of a finite dimensional Lie algebra g, Van den Bergh conjectured that the rigid dualizing complex is (U(g) \otimes \wedge^{n} g)[n], where n = dim g. We prove this conjecture, and give a few applications in representation theory and Hochschild cohomology.

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