Geometric description of $d$-dimensional flows of a graph

Davide Mattiolo, Giuseppe Mazzuoccolo, Jozef Rajník +1

A $d$-dimensional nowhere-zero $r$-flow on a graph $G$, an $(r,d)$-NZF from now on, is a flow where the value on each edge is an element of ${\mathbb{R}}^d$ whose (Euclidean) norm li…