Derived Categories and Lie Algebras

preprint2010arXivOpen access

Abstract

Let $\md^b(A)$ be the derived category of a finite dimensional basic algebra AA with finite global dimension. We construct the Lie algebra arising from the 2-periodic version $\mk_2(\mp(A))$ of $\mk^b(\mp(A))$ in term of constructible functions on varieties attached to $\mk_2(\mp(A))$.

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