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Note on a paper by Bordellès, Dai, Heyman, Pan and Shparlinski
Periodica Mathematica Hungarica ( IF 0.6 ) Pub Date : 2019-12-02 , DOI: 10.1007/s10998-019-00300-6
J. Wu

Very recently Bordellès, Dai, Heyman, Pan and Shparlinski studied asymptotic behaviour of the quantity $$\begin{aligned} S_f(x) := \sum _{n\leqslant x} f\left( \left[ \frac{x}{n}\right] \right) , \end{aligned}$$ S f ( x ) : = ∑ n ⩽ x f x n , and established some asymptotic formulas for $$S_f(x)$$ S f ( x ) under three different types of assumptions on f . In this short note we improve some of their results.

中文翻译:

Bordellès、Dai、Heyman、Pan 和 Shparlinski 的论文笔记

最近 Bordellès、Dai、Heyman、Pan 和 Shparlinski 研究了 $$\begin{aligned} S_f(x) := \sum _{n\leqslant x} f\left( \left[ \frac{x }{n}\right] \right) , \end{aligned}$$ S f ( x ) : = ∑ n ⩽ xfxn ,并建立了$$S_f(x)$$ S f ( x ) 下的一些渐近公式对 f 的三种不同类型的假设。在这个简短的说明中,我们改进了他们的一些结果。
更新日期:2019-12-02
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