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arxiv: math/0606786 · v3 · pith:HDQCQBASnew · submitted 2006-06-30 · 🧮 math.DG · math.SG

The Ricci tensor of SU(3)-manifolds

classification 🧮 math.DG math.SG
keywords torsionintrinsicricciapproachbryantcasesconditionconsequence
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Following the approach of Bryant we study the intrinsic torsion of a SU(3)-manifold deriving a number of formulae for the Ricci and the scalar curvature in terms of torsion forms. As a consequence we prove that in some special cases the Einstein condition forces the vanishing of the intrinsic torsion.

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