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Quaternion-Kähler manifold

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This is an old revision of this page, as edited by Charles Matthews (talk | contribs) at 21:35, 29 October 2005 (+cat). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

In mathematics, a quaternion-Kähler manifold is a topological manifold which has three almost complex structures which are not covariantly constant.