6 citations · 8 across the 9 of their papers we have counts for
11 papers
Directed percolation in higher-order social dilemmas
Pablo Villegas, Sandro Meloni
Multiplayer social dilemmas on hypergraphs show a variety of emergent phenomena, which has been attributed to group interactions. Here we test whether pairwise dynamics can reprodu…
Is higher-order physics different?
Pablo Villegas, Sandro Meloni
Group interactions are widespread, and higher-order extensions of familiar models display collective phenomena absent from their pairwise baselines, which are routinely offered as…
The Synergistic Route to Stretched Criticality
Lorenzo Lucarini, Sandro Meloni, Pablo Villegas
Griffiths phases are typically associated with quenched disorder, while frustration gives rise to multistability and spin-glass behavior. Whether extended criticality can arise in…
Structural coarse-graining enables noise-robust functional connectivity and reveals hidden inter-subject variability
Izaro Fernandez-Iriondo, Antonio Jimenez-Marin, Jesus Cortes +1
Functional connectivity estimates are highly sensitive to analysis choices and can be dominated by noise when the number of sampled time points is small relative to network dimensi…
Asymptotic versus mesoscopic spectral dimensions in networks and inhomogeneous structures
Lorenzo Grimaldi, Pablo Villegas, Alessandro Vezzani +3
"Every object that biology studies is a system of systems." (François Jacob, 1974). Most networks feature intricate architectures originating from tinkering, a repetitive use of ex…
Geometric Criticality in Scale-Invariant Networks
Lorenzo Lucarini, Giulio Cimini, Pablo Villegas
Dimension in physical systems determines universal properties at criticality. Yet, the impact of structural perturbations on dimensionality remains largely unexplored. Here, we cha…
Chladni states in Ising Spin Lattices
Giulio Iannelli, Pablo Villegas
Low-temperature spin dynamics can become trapped in long-lived patterns shaped by the geometry of the interaction network. We introduce Chladni states, the binary spin configuratio…
Topological Symmetry Breaking in Antagonistic Dynamics
Giulio Iannelli, Pablo Villegas, Tommaso Gili +1
A dynamic concordia discors, a finely tuned equilibrium between opposing forces, is hypothesized to drive historical transformations. Similarly, a precise interplay of excitation a…
Higher-order contagion processes in 3.99 dimensions
Sandro Meloni, Andrea Gabrielli, Pablo Villegas
Higher-order interactions have recently emerged as a promising framework for describing new dynamical phenomena in heterogeneous contagion processes. However, a fundamental open qu…
Laplacian Renormalization Group: An introduction to heterogeneous coarse-graining
Guido Caldarelli, Andrea Gabrielli, Tommaso Gili +1
The renormalization group (RG) constitutes a fundamental framework in modern theoretical physics. It allows the study of many systems showing states with large-scale correlations a…
Topological protection breakdown: a route to frustrated ferroelectricity
Ludovica Falsi, Pablo Villegas, Tommaso Gili +2
Phases manifesting topological patterns in functional systems, like ferroelectric and ferromagnetic vortex superlattices, can manifest intricate and apparently ungovernable behavio…