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Sp(2)/U(1) and a positive curvature problem |
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| Institution: | 1. College of Mathematics, Tianjin Normal University, Tianjin 300387, PR China;2. Department of Mathematics, University of California, Berkeley, CA 94720-3840, United States |
| Abstract: | |
| Keywords: | Riemannian homogeneous space Sectional curvature Positively curved for commuting pairs |
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