Supplementary material from "Two classes of functional connectivity in dynamical processes in networks"

Posted on 14.10.2021 - 05:05
The relationship of network structure and dynamics is one of the most extensively investigated problems in the theory of complex systems of the last years. Understanding this relationship is of relevance to a range of disciplines—from Neuroscience to Geomorphology. A major strategy of investigating this relationship is the quantitative comparison of a representation of network architecture (structural connectivity) with a (network) representation of the dynamics (functional connectivity). Here, we show that one can distinguish two classes of functional connectivity—one based on simultaneous activity (co-activity) of nodes, the other based on sequential activity of nodes. We delineate these two classes in different categories of dynamical processes—excitations, regular and chaotic oscillators—and provide examples for SC/FC correlations of both classes in each of these models. We expand the theoretical view of the SC/FC relationships, with conceptual instances of the SC and the two classes of FC for various application scenarios in Geomorphology, Ecology, Systems Biology, Neuroscience and Socio-Ecological Systems. Seeing the organisation of dynamical processes in a network either as governed by co-activity or by sequential activity allows us to bring some order in the myriad of observations relating structure and function of complex networks.


Voutsa, Venetia; Battaglia, Demian; Bracken, Louise J.; Brovelli, Andrea; Costescu, Julia; Díaz Muñoz, Mario; et al. (2021): Supplementary material from "Two classes of functional connectivity in dynamical processes in networks". The Royal Society. Collection.
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Journal of the Royal Society Interface


Venetia Voutsa
Demian Battaglia
Louise J. Bracken
Andrea Brovelli
Julia Costescu
Mario Díaz Muñoz
Brian D. Fath
Andrea Funk
Mel Guirro
Thomas Hein
Christian Kerschner
Christian Kimmich
Vinicius Lima
Arnaud Messé
Anthony J. Parsons
John Perez
Ronald Pöppl
Christina Prell
Sonia Recinos
Yanhua Shi
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