Huckemann, Stephan; Hotz, Thomas - In: Journal of Multivariate Analysis 100 (2009) 4, pp. 699-714
for non-Euclidean manifolds as proposed in an earlier paper by Huckemann and Ziezold [S. Huckemann, H. Ziezold, Principal … component analysis for Riemannian manifolds with an application to triangular shape spaces, Adv. Appl. Prob. (SGSA) 38 (2) (2006 …