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- W3215284080 abstract "Synchronization is critical for system level behaviour in physical, chemical, biological and social systems. Empirical evidence has shown that the network topology strongly impacts the synchronizablity of the system, and the analysis of their relationship remains an open challenge. We know that the eigenvalue distribution determines a network's synchronizability, but analytical expressions that connect network topology and all relevant eigenvalues (e.g., the extreme values) remain elusive. Here, we accurately determine its synchronizability by proposing an analytical method to estimate the extreme eigenvalues using perturbation theory. Our analytical method exposes the role global and local topology combine to influence synchronizability. We show that the smallest non-zero eigenvalue which determines synchronizability is estimated by the smallest degree augmented by the inverse degree difference in the least connected nodes. From this, we can conclude that there exists a clear negative relationship between the smallest non-zero eigenvalue and the local assortativity of nodes with smallest degree values. We validate the accuracy of our framework within the setting of a Scale-free (SF) network and can be driven by commonly used ODEs (e.g., 3-dimensional Rosler or Lorenz dynamics). From the results, we demonstrate that the synchronizability of the network can be tuned by rewiring the connections of these particular nodes while maintaining the general degree profile of the network." @default.
- W3215284080 created "2021-12-06" @default.
- W3215284080 creator A5001163797 @default.
- W3215284080 creator A5062362866 @default.
- W3215284080 date "2021-11-23" @default.
- W3215284080 modified "2023-09-23" @default.
- W3215284080 title "Local assortativity affects the synchronizability of scale-free network" @default.
- W3215284080 cites W1565693361 @default.
- W3215284080 cites W1578099820 @default.
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- W3215284080 doi "https://doi.org/10.48550/arxiv.2111.12017" @default.
- W3215284080 hasPublicationYear "2021" @default.
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