2 papers
physics.soc-ph2026
Beyond expressiveness in pairwise and higher-order models
Cyril Rommens, Pietro Traversa, Guilherme Ferraz de Arruda +1
The debate over pairwise and higher-order models is often framed as a contest of expressive power. This framing is misleading. A graph with arbitrary multivariate node functions ca…
cs.IT2026
The Informational Cost of Structure: Representational Complexity in Networked Dynamical Systems
Cyril Rommens, Pietro Traversa, Guilherme Ferraz de Arruda +1
How much information is required to represent a dynamical system in terms of an interaction structure and an evolution rule? We address this question using algorithmic information…