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arXiv 1809.07584math.NT
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给定渐近密度的可加补数

Additive Complements for a given Asymptotic Density

Alain Faisant, Georges Grekos, Ram Krishna Pandey, Sai Teja Somu

摘要:

{The本文的第一个版本于2018年4月12日撰写并提交给期刊。第二个版本于2019年4月9日提交。研究了$\mathbb{N}:=\{0,1,2,\dots\}$的子集$A$和$B$的存在性,使得和集$A+B:=\{a+b~;a\in A,b\in B\}$具有渐近密度.我们解决了$B$是$\mathbb{N}$的给定有限子集的特殊情况,以及$B=A$的情况;在后一种情况下,我们将我们的结果推广到整数$k\geq2.$的$kA:=\{x_1+\cdots+x_k: x_i\in A, i=1,\dots,k\}$

英文摘要:

{The first version of this text was written and submitted to a journal on April, 12, 2018. This second version was submitted on April, 9, 2019.} We investigate the existence of subsets $A$ and $B$ of $\mathbb{N}:=\{0,1,2,\dots\}$ such that the sumset $A+B:=\{a+b~;a\in A,b\in B\}$ has given asymptotic density. We solve the particular case in which $B$ is a given finite subset of $\mathbb{N}$ and also the case when $B=A$ ; in the later case, we generalize our result to $kA:=\{x_1+\cdots+x_k: x_i\in A, i=1,\dots,k\}$ for an integer $k\geq2.$

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