Quaternionic-Kähler manifolds with nonnegative sectional curvature
Quaternionic-Kähler manifolds with nonnegative sectional curvature
We show that a compact quaternionic-Kähler manifold with positive scalar curvature and nonnegative sectional curvature is isometric to a symmetric space. This extends a classical theorem of Berger.
S. Brendle、U. Semmelmann
数学
S. Brendle,U. Semmelmann.Quaternionic-Kähler manifolds with nonnegative sectional curvature[EB/OL].(2025-06-27)[2025-07-16].https://arxiv.org/abs/2506.22181.点此复制
评论