On a Discriminator for the Polynomial f(x)=x^(3)+x  

作　　者：Quan-Hui Yang Lilu Zhao 

机构地区：[1]School of Mathematics and Statistics,Nanjing University of Information Science and Technology,Nanjing 210044,People’s Republic of China [2]School of Mathematics,Shandong University,Jinan 250100,People’s Republic of China

出　　处：《Communications in Mathematics and Statistics》2024年第4期721-734,共14页数学与统计通讯（英文）

摘　　要：Let△(n)denote the smallest positive integer m such that a^(3)+a(1≤a≤n)are pairwise distinct modulo m.The purpose of this paper is to determine△(n)for all positive integers n.

关 键 词：CONGRUENCE Character sum Quadratic residue Kloosterman sum 

分 类 号：O15[理学—数学]