ScalingStacks

Proof. [052A]

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Proof.

The first two items are easy consequences of the previous Lemma. For the last item we simply notice that for C≥1C\geq 1,

(4.139) ∫−C−1h⁡(u)​𝑑u=∫−C−1(T2−n​(T+k−​u)n−1+ϵ⁡(u))​𝑑u≤C​T.\int_{-C}^{-1}h(u)du=\int_{-C}^{-1}(T^{2-n}(T+k_{-}u)^{n-1}+\epsilon(u))du\leq CT.

∎

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