期刊
IEEE CONTROL SYSTEMS LETTERS
卷 5, 期 3, 页码 767-772出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCSYS.2020.3005449
关键词
Remote synchronization; Kuramoto-Sakaguchi; mediators
资金
- ARO [W911NF-18-1-0213, 71603NSYIP]
- NSF [NCS-FO-1926829]
- Australian Research Council [DP160104500, DP190100887]
- Data61CSIRO
Cortical regions without direct neuronal connections show synchronized dynamics, with areas sharing more common neighbors more likely to behave coherently. An analytical investigation using a model with intermediate oscillators showed that increasing the number of mediators enhances remote synchronization between oscillators without direct connections. Simulations confirmed the theoretical findings' applicability to various general and complex networks.
Cortical regions without direct neuronal connections have been observed to exhibit synchronized dynamics. A recent empirical study has further revealed that such regions that share more common neighbors are more likely to behave coherently. To analytically investigate the underlying mechanisms, we consider that a set of n oscillators, which have no direct connections, are linked through m intermediate oscillators (called mediators), forming a complete bipartite network structure. Modeling the oscillators by the Kuramoto-Sakaguchi model, we rigorously prove that mediated remote synchronization, i.e., synchronization between those n oscillators that are not directly connected, becomes more robust as the number of mediators increases. Simulations are also carried out to show that our theoretical findings can be applied to other general and complex networks.
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