Seminario di Network Science

Martedì 20 gennaio, alle 14:30, Andrea Gabrielli (Università degli Studi Roma Tre) terrà un Seminario di Network Science dal titolo "Laplacian lens on complex and signed networks and the onset of the spin glass behavior". 

Abstract: Heterogeneous and complex networks represent the intertwined interactions between real-world elements or agents. Determining the multi-scale mesoscopic organization of clusters and intertwined structures is still a fundamental and open problem of complex network theory. By taking advantage of the recent Laplacian Renormalization Group [1-5] approach , we scrutinize information diffusion pathways throughout networks to shed further light on this issue. Based on internode communicability, our definition provides a clear-cut framework for resolving the multi-scale mesh of structures in complex networks, disentangling their intrinsic arboreal architecture. Then we move to adapt the LRG framework to signed networks up to show its usefulness to tackle the issue connected with balancing, frustration and spin glass transition.

[1] P. Villegas, T. Gili, G. Caldarelli, A. Gabrielli, Laplacian renormalization group for heterogeneous networks, Nature Physics 19 (3), 445-450 (2023)
[2] A. Gabrielli, D. Garlaschelli, S.P. Patil & M.Á. Serrano, Network renormalization, Nature Reviews Physics 7, 203–219 (2025) 
[3] A. Poggialini, P. Villegas, M.A. Munoz, A. Gabrielli, Networks with Many Structural Scales: A Renormalization Group Perspective, Phys. Rev. Lett. 134, 057401 (2025) 
[4] P. Villegas, A. Gabrielli, A. Poggialini, T. Gili, Multi-scale Laplacian community detection in heterogeneous networks, Phys. Rev. Res. 7, 013065 (2025)
[5] G. Iannelli, P. Villegas, T. Gili, A. Gabrielli, Topological Symmetry Breaking in Antagonistic Dynamics, Link identifier #identifier__32652-1https://arxiv.org/abs/2009.11024

Il seminario si svolgerà in presenza presso il Dipartimento di Matematica e Fisica, Lungotevere Dante 376, aula M3.