2008
DOI: 10.1063/1.2911541
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Transition from phase to generalized synchronization in time-delay systems

Abstract: The notion of phase synchronization in time-delay systems, exhibiting highly non-phase-coherent attractors, has not been realized yet even though it has been well studied in chaotic dynamical systems without delay. We report the identification of phase synchronization in coupled nonidentical piecewise linear and in coupled Mackey-Glass time-delay systems with highly non-phase-coherent regimes. We show that there is a transition from nonsynchronized behavior to phase and then to generalized synchronization as a… Show more

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Cited by 47 publications
(49 citation statements)
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“…Based on our generalized formulation, we will specifically demonstrate the existence of global GS via partial GS in symmetrically coupled networks, which even consist of distinctly different time-delay systems (Mackey-Glass [28], piecewise linear [29], threshold nonlinearity [30] and Ikeda [31]). It is important to note that such a phenomenon also occurs among delay systems of different orders, namely, Ikeda and a second order Hopfield neural network [32] as well as Mackey-Glass and a third order plankton model [33] with multiple delays.…”
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confidence: 99%
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“…Based on our generalized formulation, we will specifically demonstrate the existence of global GS via partial GS in symmetrically coupled networks, which even consist of distinctly different time-delay systems (Mackey-Glass [28], piecewise linear [29], threshold nonlinearity [30] and Ikeda [31]). It is important to note that such a phenomenon also occurs among delay systems of different orders, namely, Ikeda and a second order Hopfield neural network [32] as well as Mackey-Glass and a third order plankton model [33] with multiple delays.…”
mentioning
confidence: 99%
“…If the two systems are in CS state the CC = 1, otherwise CC < 1. Further, the existence of PS in highly non-phase-coherent hyperchaotic attractors of time-delay systems are characterized by the value of the correlation of probability of recurrence (CPR ≈ 1) [29,34].…”
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confidence: 99%
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“…However, nodes in different networks usually have different dynamics ͑parameter mismatch or structural discrepancy͒, while the two networks may still behave in a synchronous way. This kind of synchronization is called generalized synchronization, [24][25][26][27] which represents another degree of coherence. For instance, in the aforementioned predator and prey networks, predators and preys may finally reach a synchronous state even though they have entirely different behaviors ͑even individuals inside a network may behave in quite diverse ways͒.…”
Section: Introductionmentioning
confidence: 99%
“…For this purpose we will consider the nonlinear functions f (x) as the piecewise linear function, which has been studied in detail recently [16,18,19],…”
mentioning
confidence: 99%