2 problems

Let $S=\operatorname{Spec}\mathbf Z$. For an $R$-linear MW-module $M$ over $S$, write $\big(\mathrm{FT}^{R}\big)$ for the property that, for every $S$-scheme $X$ of finite type, al…

Let $\mathcal{J}$ be the Jouanolou device of $\mathbb{P}^1$, and let $\mathbf{G}_0\subseteq\mathbf{G}$ be the subgroups introduced from the explicit generators, with…