2 papers
math.AG2018
Tropical moments of tropical Jacobians
Robin de Jong, Farbod Shokrieh
Each metric graph has canonically associated to it a polarized real torus called its tropical Jacobian. A fundamental real-valued invariant associated to each polarized real torus…
math.CO2018
Metric graphs, cross ratios, and Rayleigh's laws
Robin de Jong, Farbod Shokrieh
We study a notion of cross ratios on metric graphs and electrical networks. We show that several known results immediately follow from the basic properties of cross ratios. We show…