Finn Southerland

collaborators

2 papers

math.CO2025

Distance Exceptional Graphs and the Curvature Index

Sawyer Jack Robertson, Finn Southerland, Erlang Surya

A graph $G = (V, E)$ on $n$ vertices is said to be \emph{distance exceptional} if the equation $D x = 1$ admits no solution $x \in R^{n}$ , where $D\in\mathbb{R…

math.CO2025

Region level via centralization for hyperplane arrangements and beyond

Finn Southerland, Lani Southern, Su Zhou

In "Faces of a Hyperplane Arrangement Enumerated by Ideal Dimension, with Applications to Plane, Plaids, and Shi," Zaslavsky showed how to compute the number $r_{ℓ} (A)$ …