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math.GR2012★ 1 cited
Isometry groups among topological groups
Piotr Niemiec
It is shown that a topological group G is topologically isomorphic to the isometry group of a (complete) metric space iff G coincides with its G-delta-closure in the Rajkov complet…
math.GR2012★ 1 cited
Isometry groups of proper metric spaces
Piotr Niemiec
Given a locally compact Polish space X, a necessary and sufficient condition for a group G of homeomorphisms of X to be the full isometry group of (X,d) for some proper metric d on…