保持三平方和运算的乘性函数
数论
2021-03-02 v2
摘要
若乘性函数 对所有正整数 、 和 满足 ,则 为恒等函数。
引用
@article{arxiv.1512.01474,
title = {Multiplicative functions preserving the sum-of-three-squares operation},
author = {Poo-Sung Park},
journal= {arXiv preprint arXiv:1512.01474},
year = {2021}
}
备注
This paper was merged to arXiv:1608.08270