2 papers
math.CO2025
The spectral degree exponent of a graph
Massimo A. Achterberg, Piet Van Mieghem
We propose the spectral degree exponent as a novel graph metric. Although Hofmeister \cite{HofmeisterThesis} has studied the same metric, we generalise Hofmeister's work to weighte…
math.DS2025
A minimal model for multigroup adaptive SIS epidemics
Massimo A. Achterberg, Mattia Sensi, Sara Sottile
We propose a generalization of the adaptive N-Intertwined Mean-Field Approximation (aNIMFA) model studied in Achterberg and Sensi (2023) to a heterogeneous network of communities.…