Nonpositive curvature is not coarsely universal
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DOI: 10.1007/s00222-019-00878-1
Abstract: We prove that not every metric space embeds coarsely into an Alexandrov space of nonpositive curvature. This answers a question of Gromov (Geometric group theory, Cambridge University Press, Cambridge, 1993) and is in contrast to… read more here.
Keywords: space; nonpositive curvature; ell infty; metric space ... See more keywords