Spines for amoebas of rational curves

Grigory Mikhalkin, Johannes Rau

To every rational complex curve $C\subset ({\mathbf{C}}^{\times }{)}^n$ we associate a rational tropical curve $\Gamma \subset {\mathbf{R}}^n$ so that the amoeba $\mathcal{A}(C) \subset \mathbf{…