The advantage of inhomogeneity: lessons from a noise driven linearized dynamical system

Dynamical systems composed of interacting elements are considered in the vicinity of a stable equilibrium state. In order to study the statistical properties of the fluctuations induced by an external noise-like perturbation an analytically tractable linearized model is introduced. Dynamical systems...

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Hauptverfasser: Máté, Gabriell (VerfasserIn) , Néda, Zoltán (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2016
In: Physica. A, Statistical mechanics and its applications
Year: 2015, Jahrgang: 445, Pages: 310-317
ISSN:1873-2119
DOI:10.1016/j.physa.2015.11.011
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physa.2015.11.011
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0378437115009905
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Verfasserangaben:Gabriell Máté, Zoltán Néda

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520 |a Dynamical systems composed of interacting elements are considered in the vicinity of a stable equilibrium state. In order to study the statistical properties of the fluctuations induced by an external noise-like perturbation an analytically tractable linearized model is introduced. Dynamical systems composed by elements with an idealized homogeneous and inhomogeneous coupling structure are investigated and compared. Our results prove and mathematically quantify the inertial, damping effects of the inhomogeneous construction. We motivate the study and the model from the perspective of economic and social systems. The expansion process of the European Union is taken as a specific example. 
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