An equivariant pinching theorem

Jacobi fields and Finsler metrics on compact Lie groups with an application to differentiable pinching problems

Karsten Grove, Hermann Karcher, Ernst A. Ruh · Mathematische Annalen · 1974 · 114 citations

Spectral Theory, Lie Group, Geometry +7

Topology of positively pinched Kaehler manifolds

Shôshichi Kobayashi · Tohoku Mathematical Journal · 1963 · 88 citations · Full text

Group actions and curvature

Karsten Grove, Hermann Karcher, Ernst A. Ruh · Inventiones mathematicae · 1974 · 83 citations

Geometric Group Theory, Global Geometry, Lie Group +3

Curvature and differentiable structure on spheres

Ernst A. Ruh · Commentarii Mathematici Helvetici · 1971 · 23 citations

Global Geometry, Differentiable Structure, Geometry +2