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In [[analytic number theory]], a [[Dirichlet series]], or [[Dirichlet generating function]] (DGF), of a ...interpretation_of_F_as_the_summatory_function_for_some_arithmetic_sequence|analytic continuation]] to <math>s \mapsto -s</math>, we can express the [[Mellin tr ...

...ration]] defined for [[arithmetic function]]s; it is important in [[number theory]]. It was developed by [[Peter Gustav Lejeune Dirichlet]]. ...e two arithmetic functions from the positive [[integer]]s to the [[complex number]]s, the ''Dirichlet [[convolution]]'' {{nowrap|''f'' ∗ ''g''}} is a new ari ...

{{about|the number {{pi}}|the Greek letter|Pi (letter)|other uses of pi, π, and Π|Pi (disambig The number '''{{pi}}''' is a [[mathematical constant]], the [[ratio]] of a [[circle]]' ...