Handlebodies, Outer space, and tropical geometry

Rohini Ramadas, Rob Silversmith, Karen Vogtmann +1

The moduli space of graphs $M_{g,n}^{\mathrm{trop}}$ is a polyhedral object that mimics the behavior of the moduli spaces $M_{g,n}$, ${\overline{M}}_{g,n}$ of (stable) Riemann surfac…