Free spaces over some proper metric spaces
classification
🧮 math.FA
keywords
spacemetricproperdualisometriclipschitz-freespacesapproximation
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We prove that the Lipschitz-free space over a countable proper metric space is isometric to a dual space and has the metric approximation property. We also show that the Lipschitz-free space over a proper ultrametric space is isometric to the dual of a space which is isomorphic to c_0.
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