Riemannian Metric and Geometric Mean for Positive Semidefinite Matrices of Fixed Rank
SIAM. J. Matrix Anal. & Appl., Volume 31, Number 3, page 1055--1070 - August 2009
BibTex references
@Article\{BS09,
author = "Bonnabel, Silv\`ere and Sepulchre, Rodolphe",
title = "Riemannian Metric and Geometric Mean for Positive Semidefinite Matrices of Fixed Rank ",
journal = "SIAM. J. Matrix Anal. \& Appl.",
number = "3",
volume = "31",
pages = "1055--1070",
month = "August",
year = "2009",
url = "http://www.montefiore.ulg.ac.be/services/stochastic/pubs/2009/BS09"
}