1. Barycenters in the Wasserstein space;Agueh;SIAM J. Math. Anal.,2011
2. A fixed point approach to barycenters in Wasserstein spaces;Alvarez-Esteban;J. Math. Anal. Appl.,2016
3. Gradient Flows in Metric Spaces and in the Space of Probability Measures;Ambrosio,2008
4. Geometric means;Ando;Linear Algebra Appl.,2004
5. Positive Definite Matrices;Bhatia,2007