Floor and arithmetic functions by Darij Grinberg
= Floor and arithmetic functions by Darij Grinberg
{c}
{tag=Work by Darij Grinberg}
{title2=2016}
{title2=Revised June 5, 2026}
By <Darij Grinberg>.
Extended notes for MIT 18.781, Introduction to Number Theory, April 14, 2016. The current text contains sections on the <floor function>, <greatest common divisors>, <arithmetic functions>, <Dirichlet convolution> and <Möbius inversion>.
Author-hosted text: https://darijgrinberg.gitlab.io/floor.pdf