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A note on the lower bound of representation functions
International Journal of Number Theory ( IF 0.7 ) Pub Date : 2021-07-30 , DOI: 10.1142/s179304212150086x
Xing-Wang Jiang 1 , Csaba Sándor 2, 3 , Quan-Hui Yang 4
Affiliation  

For a set A of nonnegative integers, let R2(A,n) denote the number of solutions to n = a + a with a,a A, a < a. Let A0 be the Thue–Morse sequence and B0 = A0. Let A and N be a positive integer such that R2(A,n) = R2( A,n) for all n 2N 1. Previously, the first author proved that if |A A0| = + and |A B0| = +, then R2(A,n) n+3 56N52 1 for all n 1. In this paper, we prove that the above lower bound is nearly best possible. We also get some other results.

中文翻译:

关于表示函数下界的说明

对于一套一种非负整数,让R2(一种,n)表示解决方案的数量n = 一种 + 一种'一种,一种' 一种,一种 < 一种'. 让一种0是 Thue-Morse 序列和0 = 一种0. 让一种 ñ是一个正整数,使得R2(一种,n) = R2( 一种,n)对所有人n 2ñ - 1. 此前,第一作者证明,如果|一种 一种0| = +|一种 0| = +, 然后R2(一种,n) n+3 56ñ-52 - 1对所有人n 1. 在本文中,我们证明了上述下限几乎是最好的。我们还得到了一些其他的结果。
更新日期:2021-07-30
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