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arxiv: 1901.00257 · v1 · pith:ZVI5LBS7new · submitted 2019-01-02 · 🧮 math.RT · math.QA· math.RA

Drinfeld doubles via derived Hall algebras and Bridgeland Hall algebras

classification 🧮 math.RT math.QAmath.RA
keywords hallalgebradoubledrinfeldalgebrasbridgelandderivedabelian
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Let $\A$ be a finitary hereditary abelian category. We give a Hall algebra presentation of Kashaev's theorem on the relation between Drinfeld double and Heisenberg double. As applications, we obtain realizations of the Drinfeld double Hall algebra of $\A$ via its derived Hall algebra and Bridgeland Hall algebra of $m$-cyclic complexes.

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