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Wan, Zhengchao
Topology and its applications, 08/2021, Volume: 300Journal Article
We establish universality and ultra-homogeneity of (U,uGH), the collection of all compact ultrametric spaces endowed with the so-called Gromov-Hausdorff ultrametric. This result also gives rise to a novel construction of the so-called R-Urysohn universal ultrametric space for each countable subset R⊂R≥0 containing 0.
