Some remarks on sets with small quotient set

被引:7
|
作者
Shkredov, I. D. [1 ]
机构
[1] Russian Acad Sci, Steklov Math Inst, Moscow, Russia
基金
俄罗斯科学基金会;
关键词
additive combinatorics; sum-product phenomenon; Erdos-Szemeredi conjecture; PRODUCT SET; SUMS; NUMBER;
D O I
10.1070/SM8733
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove that for any finite set A subset of R with vertical bar A/A vertical bar << vertical bar A vertical bar we have vertical bar A - A vertical bar >> vertical bar A vertical bar(5/3-o(1)). We also show that for such sets vertical bar A + A + A vertical bar >> vertical bar A vertical bar(2-o(1)).
引用
收藏
页码:1854 / 1868
页数:15
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