2 problems

Let $$ be the inhomogeneous Duffin–Schaeffer statement referred to as , and let be the additional divergence condition referred to as . Weaker inhomogeneous Duffin–Schaeffer conje…

Let $r\geq 3$ be an odd integer, and let $M_r(n)$ denote the class of finite metric spaces on $[n]$ with distances in the relevant $r$-element distance set. Let $\mathcal{L}_r$ be…