1. B. Afsari, RiemannianLpcenter of mass: existence, uniqueness, and convexity.Proc. Amer. Math. Soc.S 0002–9939 (2010) 10541-5. (electronic)
2. B. Afsari, R. Tron and R. Vidal, On the convergence of gradient descent for finding the Riemannian center of mass. arXiv:1201.0925.
3. Arnaudon M. and Nielsen F., Medians and means in Finsler geometry.LMS J. Comput. Math.15(2012) 23–37.
4. Arnaudon M., Dombry C., Phan A. and Yang L., Stochastic algorithms for computing means of probability measuresStoch. Proc. Appl.122(2012) 1437–1455.
5. Arnaudon M. and Nielsen F., On computing the Riemannian 1-Center.Comput. Geom.46(2013) 93–104.