MathDB
Miklos Schweitzer 1951_10

Source:

October 8, 2008
algebrapolynomialmodular arithmeticRing Theory

Problem Statement

Let f(x) f(x) be a polynomial with integer coefficients and let p p be a prime. Denote by z_1,...,z_{p\minus{}1} the (p\minus{}1)th complex roots of unity. Prove that f(z_1)\cdots f(z_{p\minus{}1})\equiv f(1)\cdots f(p\minus{}1) \pmod{p}.