Define an inverse system of polynomial rings over a commutative ring $k$ by the canonical projection $k[x_1,...,x_n] \to k[x_1,...,x_m]\;(m< n)$.
Question: What is the projective limit $\varprojlim_n k[x_1,...,x_n]$ ?
Define an inverse system of polynomial rings over a commutative ring $k$ by the canonical projection $k[x_1,...,x_n] \to k[x_1,...,x_m]\;(m< n)$.
Question: What is the projective limit $\varprojlim_n k[x_1,...,x_n]$ ?