The following publications are possibly variants of this publication:
- Riemannian Metric and Geometric Mean for Positive Semidefinite Matrices of Fixed RankSilvere Bonnabel, Rodolphe Sepulchre. siammax, 31(3):1055-1070, 2009. [doi]
- Low-Rank Optimization on the Cone of Positive Semidefinite MatricesMichel Journée, F. Bach, Pierre-Antoine Absil, Rodolphe Sepulchre. siamjo, 20(5):2327-2351, 2010. [doi]
- Linear Regression under Fixed-Rank Constraints: A Riemannian ApproachGilles Meyer, Silvere Bonnabel, Rodolphe Sepulchre. icml 2011: 545-552