We prove that for every x > q ≥ 1, and similar estimates for the Liouville function. We also give better constants when x/q is large.,
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa165-1-1,
author = {Olivier Ramar\'e},
title = {Explicit estimates on the summatory functions of the M\"obius function with coprimality restrictions},
journal = {Acta Arithmetica},
volume = {166},
year = {2014},
pages = {1-10},
zbl = {1316.11087},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa165-1-1}
}
Olivier Ramaré. Explicit estimates on the summatory functions of the Möbius function with coprimality restrictions. Acta Arithmetica, Tome 166 (2014) pp. 1-10. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa165-1-1/