Characterizing Lipschitz images of injective metric spaces

Judyta Bąk, Taras Banakh, Joanna Garbulińska-Węgrzyn +2

A metric space $X$ is {\em injective} if every non-expanding map $f:B\to X$ defined on a subspace $B$ of a metric space $A$ can be extended to a non-expanding map $\bar{f}:A\to X$.…