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关于加法补集的一个注记(英文)

A Note on Additive Complements
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摘要 设A和B是正整数集合,若它们的和A+B=a+b:a∈A,b∈B}包含所有充分大的整数,则称A,B为加法补集.本文推广了陈永高和方金辉关于加法补集的一个结论,特别证明了:存在加法补集A,B满足lim sup_(x→∞)(A(x)B(x))/x=(22)/(13),而且存在无穷多个正整数x使得A(x)B(x)-x=1. We call two sets A and B of non-negative integers additive complements if their sum contains all sufficiently large integers. Let A(x) and B(x) be the counting functions of A and B, respectively. In this paper, we extend the result in [Proc. Amer. Math. Soc., 2011, 139(3): 881-883]. In particular, we prove that there exist additive complements A and B such that limsupx→∞[A(x)B(x)]/z=22/13 and A(x)B(x) - x = 1 for infinitely many positive integers x.
出处 《数学进展》 CSCD 北大核心 2016年第4期533-536,共4页 Advances in Mathematics(China)
基金 Supported by NSFC(No.11201237,No.11371195) supported by the Project of Graduate Education Innovation of Jiangsu Province(No.KYLX15_0884)
关键词 加法补集 无穷 计数函数 additive complements infinite counting functions
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参考文献10

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