2 problems

Let $\mathcal U_d^*$ be the class of infinite unimodular transitive graphs of degree $d$ that are not one-dimensional. For a graph $G$ with origin $o$, let $B_n$ be the radius-$n$…

Tang's lightness conjecture. The trees of $\mathsf{FUSF}$ should be non-light when $\mathsf{WUSF}\ne\mathsf{FUSF}$.