Positive Quaternionic Kaehler manifolds and symmetry rank: II

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Let M be a positive quaternionic Kaehler manifold of dimension 4m. If the isometry group Isom(M) has rank at least m/2 +3, then M is isometric to HP^m or Gr_2(C^{m+2}). The lower bound for the rank is optimal if m is even.
10 pages

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Differential Geometry, Geometric Topology

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http://salesiana.dossiersoluciones.com/handle/123456789/70098

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0402124
 http://arxiv.org/abs/math/0402124

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arXiv