High curvature means low-rank: On the sectional curvature of Grassmann and Stiefel manifolds and the underlying matrix trace inequalities. - Ralf Zimmermann; Jakob Stoye (CoRR, 2024)

On the Injectivity Radius of the Stiefel Manifold: Numerical investigations and an explicit construction of a cut point at short distance. - Jakob Stoye; Ralf Zimmermann (CoRR, 2024)

The Injectivity Radius of the Compact Stiefel Manifold under the Euclidean Metric. - Ralf Zimmermann 002; Jakob Stoye (SIAM J. Matrix Anal. Appl., 2025)

High Curvature Means Low Rank: On the Sectional Curvature of Grassmann and Stiefel Manifolds and the Underlying Matrix Trace Inequalities. - Ralf Zimmermann 002; Jakob Stoye (SIAM J. Matrix Anal. Appl., 2025)