2 problems

Let $\mathfrak g=\bigoplus_{m=1}^{\infty}\operatorname{gr}^m\mathfrak g$ be the graded ${\mathbb Z}_p$-Lie algebra arising from the weight filtration on the relevant pro-$p$ Galois…

Let $\mathfrak g$ be the graded ${\mathbb Z}_p$-Lie algebra associated with the weight filtration on the pro-$p$ Galois action, let $\mathcal D$ be Ihara's stable derivation algebr…