English
The multivariate polynomial ring in finitely many variables over a Noetherian ring is Noetherian.
Русский
Многочленовый круг в конечном числе переменных над кольцом Нётерова является Нётеровым.
LaTeX
$$$\operatorname{IsNoetherianRing}(\mathrm{MvPolynomial}(\sigma, R))$$$
Lean4
/-- `bernsteinPolynomial R n ν` is `(choose n ν) * X^ν * (1 - X)^(n - ν)`.
Although the coefficients are integers, it is convenient to work over an arbitrary commutative ring.
-/
def bernsteinPolynomial (n ν : ℕ) : R[X] :=
(choose n ν : R[X]) * X ^ ν * (1 - X) ^ (n - ν)