On the mean value of mixed exponential sums

被引:0
|
作者
Gong, Ming-Liang [1 ]
Li, Ya-Li
机构
[1] Nanjing Normal Univ, Sch Math Sci, Nanjing 210023, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Exponential sums; Dirichlet character; explicit formulas;
D O I
10.1142/S1793042117500841
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We use analytic methods to obtain an explicit formula for the fourth power mean Sigma(x) (mod) Sigma(q')(q m=1)|Sigma(q')(a=1) chi(a)e (ma(k)+na/q)|(4), where e(y) = e(2 pi iy),. is a Dirichlet character modulo q and Sigma'(q)(a)= 1 denotes the summation over all a such that (a, q) = 1. This extends the result of Chen, Ai and Cai by overcoming the limitation (n, q) = 1.
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页码:1515 / 1530
页数:16
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