3 problems

Let $G\leq \mathrm{PL}_+ I$ be a finitely generated subgroup. An $F$-obstruction is a pair of elements of $G$ forming an $F$-obstruction in the sense of Theorem. Embedding conjectu…

Let $\mathbb{F}$ be a free pro-$p$ group. Let the universal class of $\mathbb{Z}_p$ consist of the relevant $\mathbb{Z}_p$-rings in the language with constants, and let a fully res…

Let $(W,B)$ be a spherical latin bitrade, and let $\mathcal{A}_W^*$ and $\mathcal{A}_B^*$ denote the canonical abelian groups into which the white and black trades embed, respectiv…