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On the Discretized Sum-Product Problem
International Mathematics Research Notices ( IF 0.9 ) Pub Date : 2020-01-13 , DOI: 10.1093/imrn/rnz360
Larry Guth 1 , Nets Hawk Katz 2 , Joshua Zahl 3
Affiliation  

We give a new proof of the discretized ring theorem for sets of real numbers. As a special case, we show that if $A\subset\mathbb{R}$ is a $(\delta,1/2)_1$-set in the sense of Katz and Tao, then either $A+A$ or $A.A$ must have measure at least $|A|^{1-\frac{1}{68}}$

中文翻译:

关于离散和积问题

我们给出了实数集离散化环定理的新证明。作为一个特例,我们证明如果 $A\subset\mathbb{R}$ 是 Katz 和 Tao 意义上的 $(\delta,1/2)_1$-set,则 $A+A$ 或$AA$ 必须至少有 $|A|^{1-\frac{1}{68}}$
更新日期:2020-01-13
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