ScalingStacks

Definition 7.1 . [01YV]

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Definition 7.1.

Given a metric space YY with y∈Yy\in Y, r>0r>0 and ϵ>0\epsilon>0, we say that yy is (k,ϵ,r)(k,\epsilon,r)-symmetric if there exists a kk-symmetric space Y′Y^{\prime} such that dG​H​(Br​(y),Br​(y′))<ϵ​rd_{GH}(B_{r}(y),B_{r}(y^{\prime}))<\epsilon r, where y′∈Y′y^{\prime}\in Y^{\prime} is a vertex.

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