Office editor: 宋轶文
收稿日期: 2024-09-18
网络出版日期: 2025-12-17
基金资助
国家自然科学基金(12471006)
国家自然科学基金(12371007)
陕西省数理基础科学研究项目(22JSY007)
On character sums with multiplicative coefficients over flat numbers
Received date: 2024-09-18
Online published: 2025-12-17
令q≥3为足够大的素数,x为实数满足 (ln q)≪x≤q,χ是模q的非主特征,k为任意给定的正整数,f(n)是可乘函数并满足|f(n)|≤1。得到了有关和式wq(χ,f,x)= f(n)χ(n)的几个新的上界,其中Fx(H;k)={n∈Z|(n,q)=1,1≤n≤x,|(nk)q-( )q|≤H}, 满足同余式n ≡1(mod q),eq(v)=e2πiv/q,(a)q表示a模q的最小正剩余。
关键词: 特征和; Kloosterman和; 可乘函数; 平坦数
史辉 , 徐哲峰 . 平坦数集上带有可乘系数的特征和[J]. 陕西师范大学学报(自然科学版), 2025 , 53(6) : 111 -116 . DOI: 10.15983/j.cnki.jsnu.2025024
Let q≥3 be a sufficiently large prime,x be a real number such that (ln q)≪x≤q,χ be any non-principal character mod q,f(n) be a multiplicative function satisfying |f(n)|≤1.It is obtained that several new bounds for sums of the form wq(χ,f,x)= f(n)χ(n) where Fx(H;k)={n∈Z|(n,q)=1,1≤n≤x,|(nk)q-( )q|≤H}, is defined by n ≡1(mod q),eq(v)=e2πiv/q and (a)q means that the minimal positive residue of that a mod q.
Key words: character sums; Kloosterman sums; multiplicative function; flat number
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