Möbius inversion formula and three applications

Mobius inversion formula and three applications - Math and Other Days

• Number of irreducible polynomials on a finite body Number of irreducible polynomials.

  • Euler function ϕ(n)
  • yen-denominated polynomial

• Möbius inversion formula and three applications

---

This page is auto-translated from /nishio/メビウスの反転公式と3つの応用 using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.