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arXiv:math/0409137 [math.DG]AbstractReferencesReviewsResources

Conformally parallel G_2 structures on a class of solvmanifolds

Simon G. Chiossi, Anna Fino

Published 2004-09-08Version 1

Starting from a 6-dimensional nilpotent Lie group N endowed with an invariant SU(3) structure, we construct a homogeneous conformally parallel G_2-metric on an associated solvmanifold. We classify all half-flat SU(3) structures that endow the rank-one solvable extension of N with a conformally parallel G_2 structure. By suitably deforming the SU(3) structures obtained, we are able to describe the corresponding non-homogeneous Ricci-flat metrics with holonomy contained in G_2. In the process we also find a new metric with exceptional holonomy.

Comments: 22 pages
Journal: Math. Z. 252 (4), 825-848, (2006)
Categories: math.DG, hep-th
Subjects: 53C10, 53C25, 53C29, 22E25
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