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A note on Bridgeland's Hall algebra of two-periodic complexes

Published 4 Jul 2012 in math.QA and math.RT | (1207.0905v1)

Abstract: We show that the Hall algebra of two-periodic complexes, which is recently introduced by T.Bridgeland, coincides with the Drinfeld double of the ordinary Hall bialgebra.

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Authors (1)

  1. Shintarou Yanagida 

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