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Jul 12, 2015 at 6:14 comment added Anthony Quas So I'm pretty sure the same kind of arguments should work. Morally you have made a polynomial change to the weights while the set is exponentially small. My approach to this would be to replace the weights $n^{-\alpha}$ with $b^{-k\alpha}$ in the range $[b^{k-1},b^k)$. This is changing the weights by at most a bounded factor.
Jul 11, 2015 at 6:26 comment added Salvo Tringali I've just given it a try.
Jul 9, 2015 at 22:07 comment added Anthony Quas In this case, maybe it would be useful to frame the question in terms of the properties that you actually are willing to use.
Jul 9, 2015 at 21:53 comment added Salvo Tringali Yes, but this is precisely the kind of argument that I want to avoid (see my comment above).
Jul 9, 2015 at 21:46 history answered Anthony Quas CC BY-SA 3.0