Abstract:
:The interplay between structure and function is critical in the understanding of complex systems, their dynamics and their behavior. We investigated the interplay between structural and functional networks by means of the differential identifiability framework, which here quantifies the ability of identifying a particular network structure based on (1) the observation of its functional network and (2) the comparison with a prior observation under different initial conditions. We carried out an experiment consisting of the construction of [Formula: see text] different structural networks composed of [Formula: see text] nonlinear electronic circuits and studied the regions where network structures are identifiable. Specifically, we analyzed how differential identifiability is related to the coupling strength between dynamical units (modifying the level of synchronization) and what are the consequences of increasing the amount of noise existing in the functional networks. We observed that differential identifiability reaches its highest value for low to intermediate coupling strengths. Furthermore, it is possible to increase the identifiability parameter by including a principal component analysis in the comparison of functional networks, being especially beneficial for scenarios where noise reaches intermediate levels. Finally, we showed that the regime of the parameter space where differential identifiability is the highest is highly overlapped with the region where structural and functional networks correlate the most.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Vera-Ávila VP,Sevilla-Escoboza R,Goñi J,Rivera-Durón RR,Buldú JMdoi
10.1038/s41598-020-71373-4subject
Has Abstractpub_date
2020-09-04 00:00:00pages
14668issue
1issn
2045-2322pii
10.1038/s41598-020-71373-4journal_volume
10pub_type
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