Half-flat structures on S3xS3
Abstract
We describe left-invariant half-flat SU(3)-structures on S3xS3 using the representation theory of SO(4) and matrix algebra. This leads to a systematic study of the associated cohomogeneity one Ricci-flat metrics with holonomy G2 obtained on 7-manifolds with equidistant S3xS3 hypersurfaces. The generic case is analysed numerically.
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