On Density, Translates, and Pairwise Sums of Integers

On Density, Translates, and Pairwise Sums of Integers
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关于整数的密度、平移和成对和

DOI:
10.1016/0097-3165(82)90003-6
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发表时间:
1982
期刊:
J. Comb. Theory A
影响因子:
--
通讯作者:
N. Hindman
N. Hindman
中科院分区:
--
文献类型:
--
作者:
N. Hindman

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主要结果是,如果关于成对和的 Erdös 问题有一个反例,那么它就有最大密度任意接近 1 的反例。在研究这个问题时,还导出了关于具有正最大密度和正渐近上密度的集合的平移的几个结果。
The principal result is that if a question of Erdös about pairwise sums has a counterexample, then it has counterexamples with maximal density arbitrarily close to 1. In investigating this question, several results about translates of sets with positive-maximal density and with positive asymptotic-upper density are also derived.