Explicit estimates on the summatory functions of the Möbius function with coprimality restrictions
Volume 165 / 2014
Acta Arithmetica 165 (2014), 1-10
MSC: Primary 11N37, 11Y35; Secondary 11A25.
DOI: 10.4064/aa165-1-1
Abstract
We prove that $|\!\sum_{d\le x,\, (d,q)=1}\mu(d)/d|\le 2.4(q/\varphi(q))/\!\log (x/q)$ for every $x>q\ge1$, and similar estimates for the Liouville function. We also give better constants when $x/q$ is large.,
