Geodesic
Hyperconvexity of ℝ-trees
Fundamenta Mathematicae, Tome 156 (1998) no. 1, pp. 67-72.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

It is shown that for a metric space (M,d) the following are equivalent: (i) M is a complete ℝ-tree; (ii) M is hyperconvex and has unique metric segments.
DOI : 10.4064/fm-156-1-67-72
Keywords: hyperconvex metric space, ℝ-tree, fixed point, nonexpansive mapping

W. A. Kirk 1

1 
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W. A. Kirk. Hyperconvexity of ℝ-trees. Fundamenta Mathematicae, Tome 156 (1998) no. 1, pp. 67-72. doi : 10.4064/fm-156-1-67-72. http://geodesic.mathdoc.fr/articles/10.4064/fm-156-1-67-72/

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