Square percolation and the threshold for quadratic divergence in random right-angled Coxeter groups

Jason Behrstock, Victor Falgas-Ravry, Tim Susse

Given a graph $\Gamma$, its auxiliary \emph{square-graph} $\square (\Gamma )$ is the graph whose vertices are the non-edges of $\Gamma$ and whose edges are the pairs of non-edges which induce a squ…