Rich data are revealing that complex dependencies between the nodes of a network may not be captured by models based on pairwise interactions. Higher-order network models go beyond these limitations, offering new perspectives for understanding complex systems.
From networks to optimal higher-order models of complex systems
Renaud Lambiotte, Martin Rosvall & Ingo Scholtes
Nature Physics volume 15, pages 313–320 (2019)
Source: www.nature.com
aka hypergraphs
Complexity Digest 