Abstract
We study the extension property of isometries on the unit sphere of the -sum of strictly normed spaces, which is a special case of Tingley’s isometric extension problem. In this paper, we will give some sufficient conditions such that such isometries can be extended to the whole space.
Citation
Lei Li. "Isometries on the unit sphere of the -sum of strictly convex normed spaces." Ann. Funct. Anal. 7 (1) 33 - 41, February 2016. https://doi.org/10.1215/20088752-3163452
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