Ramsey degrees of finite ultrametric spaces, ultrametric Urysohn spaces and dynamics of their isometry groups
نشر في Lionel Nguyen Van Th\\'e
بتاريخ 2007
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English
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الملخص بالإنكليزية
We study Ramsey-theoretic properties of several natural classes of finite ultrametric spaces, describe the corresponding Urysohn spaces and compute a dynamical invariant attached to their isometry groups.