Some Properties of Median Metric Spaces

نویسنده

  • BRIAN H. BOWDITCH
چکیده

We decribe a number of properties of a median metric space. In particular, we show that a complete connected median metric of finite rank admits a cononical bilipschitz equivalent CAT(0) metric. Metric spaces of this sort arise, up to bilipschitz equivalence, as asymptotic cones of certain classes of finitely generated groups, and the existence of such a structure has various consequences for the large scale geometry of the group.

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تاریخ انتشار 2013