ScalingStacks

Lemma 4.1 . [01YC]

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Lemma 4.1.

For each xx and 1/2≥r≥sxη1/2\geq r\geq s^{\eta}_{x} we have the doubling condition

μ⁡(B2​r​(x))≤C⁡(n)​μ​(Br​(x)).\mu(B_{2r}(x))\leq C(n)\mu(B_{r}(x))\,. (4.4)

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