APOSTOL 해석적 정수론 CHAP 2. 12 ~ 19
1편 : http://drugstoreoftamref.tistory.com/15Qkffl Qkffl dmdkdkdkdkdkdD12. (Completely) Multiplicative Function MF : \(f \text{ s.t. } f(mn)=f(m)f(n) \ \forall m,n \text{ s.t. }gcd(m,n)=1\) CMF : \(f \text{ s.t. } f(mn)=f(m)f(n) \ \forall m,n \) * 앞으로 MF들의 집합을 \(\mathbb{M}\)으로, CMF들의 집합을 \(\mathbb{CM}\)으로 denote. C12-1. $$f \in \mathbb{M} \Rightarrow f(1)=1$$ T13. $$f \in \mathbb{M} \Leftrightarr..
2017. 8. 7. 14:50