FREE DEFORMATION RETRACTION IN INJECTIVE METRIC SPACES
Citation：
Mai Jiehua,Tang yun.FREE DEFORMATION RETRACTION IN INJECTIVE METRIC SPACES[J].Chinese Annals of Mathematics B,1989,10(2):221~226
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Authors：
Mai Jiehua; Tang yun
Abstract：
In this paper the authors establish the concept of generalized ball-intersection (GBI) and prove that an injective metric space is freely contractible to its each GBI, which generalizes a result of Isbell from a point to a GBI.
