Title: Metric Spaces, Convexity and Nonpositive Curvature (IRMA Lectures in Mathematics & Theoretical Physics) (IRMA Lectures in Mathematics and Theoretical Physics)
Subjects: Metric spaces, Convex domains, Curvature, Geodesics (Mathematics), Espaces métriques, Algèbres convexes, Courbure, Géodésiques (Mathématiques), MATHEMATICS / Topology