"Yang" . "Toeplitz covariance matrices"@en . "Median"@en . "Geodesic ball"@en . . "Barycenter"@en . "Riemannian geometry"@en . . "Moyenne"@fr . "Riemannian manifold"@en . "Le Yang" . "Convergence in law"@en . . "Matrices de Toeplitz"@fr . "Vari\u00E9t\u00E9s Riemanniennes"@fr . "Le" . "Mean"@en . "Statistiques robustes"@fr . "Th\u00E9or\u00E8me du point fixe"@fr . "Markov chain"@en . "Convexity"@en . . "Donn\u00E9es sph\u00E9riques"@fr . "81ab803591cfee181941513b3abc22c3" . . "Probability measure"@en . "M\u00E9diane"@fr . "Fixed point theorem"@en . "Invariance principle"@en .