Average order of an arithmetic function: Difference between revisions

Revision as of 09:56, 18 August 2014

Revision as of 19:32, 29 May 2015

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(f*g)(m)

&= \sum_{d\,\mid \,m} f(m)g\left(\frac{m}{d}\right) \\

&= \sum_{ab\,=\,fm}f(a)g(b)

\end{align}

</math>