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Motivic DT-invariants for the one loop quiver with potential
Published 30 Aug 2011 in math.AG | (1108.5956v1)
Abstract: In this paper we compute the motivic Donaldson--Thomas invariants for the quiver with one loop and any potential. As the presence of arbitrary potentials requires the full machinery of \hat(\mu)-equivariant motives, we give a detailed account of them. In particular, we will prove two results for the motivic vanishing cycle which might be of importance not only in Donaldson--Thomas theory.
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