摘要
In this paper, we prove, under the Riemann hypothesis, that sum from n≤X μ~2(n)=6/π~2X+O(X^((17/54)+ε)).
In this paper, we prove, under the Riemann hypothesis, thatsum from n≤X μ<sup>2</sup>（n）=6/π<sup>2</sup>X+O(X<sup>（17/54）+ε</sup>).
基金
the National Natural Science Foundation of China
