On the topological dimension of the Gromov boundaries of some hyperbolic $Out(F_N)$-graphs

14 May 2020 · Bestvina Mladen, Horbez Camille, Wade Richard D. ·

We give upper bounds, linear in rank, to the topological dimensions of the Gromov boundaries of the intersection graph, the free factor graph and the cyclic splitting graph of a finitely generated free group.