ziyu0f / blog-comments

0 stars 0 forks source link

$K[x]$ and $K[[x]]$ are integral domains | Peng Ziyu's Blog #7

Open ziyu0f opened 2 years ago

ziyu0f commented 2 years ago

https://ziyu0f.github.io/2022/09/10/K%5Bx%5D-and-K%5B%5Bx%5D%5D-are-integral-domains/

Let (K) be a field. It is well-known that the collection of polynomials (K[x]) and the collection of formal power series (K[[x]]), are rings over (K). We will show that they are integral do