New results on sums and products in ℝ
New results on sums and products in ℝ
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ℝ 中的和与积的新结果
DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
I. Shkredov
中科院分区:
文献类型:
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作者:
S. Konyagin;I. Shkredov
We improve previous sum–product estimates in ℝ; namely, we prove the inequality max{|A + A|, |AA|} ≫ |A|4/3+c, where c is any number less than 5/9813. New lower bounds for sums of sets with small product set are found. We also obtain results on the additive and multiplicative energies; in particular, we improve a result of Balog and Wooley.