User:Caliburn/s/ant

Arithmetic Functions and Basic Estimates

• User:Caliburn/s/4 - $\sum_{d \divides n} \size {\map \mu d}$
• /Truncated Perron Formula

Zeta Function

• $\ds \map \zeta s = \sum_{n \le x} \frac 1 {n^s} + \frac {x^{1 - s} } {s - 1} + \map \OO {\cmod s x^{-\sigma} }$