The dynamics of hybrid metabolic-genetic oscillators
Ed Reznik, Tasso J. Kaper, and Daniel Segrè
The synthetic construction of intracellular circuits is frequently hindered by a poor knowledge of appropriate kinetics and precise rate parameters. Here, we use generalized modeling (GM) to study the dynamical behavior of topological models of a family of hybrid metabolic-genetic circuits known as “metabolators.”
Hierarchical networks, power laws, and neuronal avalanches
Eric J. Friedman and Adam S. Landsberg
We show that in networks with a hierarchical architecture, critical dynamical behaviors can emerge even when the underlying dynamical processes are not critical. This finding provides explicit insight into current studies of the brain's neuronal network showing power-law avalanches in neural recordings, and provides a theoretical justification of recent numerical findings.
Coupling and noise induced spiking-bursting transition in a parabolic bursting model
Lin Ji, Jia Zhang, Xiufeng Lang, and Xiuhui Zhang
The transition from tonic spiking to bursting is an important dynamic process that carry physiologically relevant information. In this work, coupling and noise induced spiking-bursting transition is investigated in a parabolic bursting model with specific discussion on their cooperation effects.
Robust global synchronization of two complex dynamical networks
Mohammad Mostafa Asheghan and Joaquín Míguez
We investigate the synchronization of two coupled complex dynamical networks, a problem that has been termed outer synchronization in the literature. Our approach relies on (a) a basic lemma on the eigendecomposition of matrices resulting from Kronecker products and (b) a suitable choice of Lyapunov function related to the synchronization error dynamics.
Announcements
Congratulations to Chaos Editor Jürgen Kurths
At the 2013 annual meeting of the European Geosciences Union, Professor Jürgen Kurths was awarded the 2013 Lewis Fry Richardson Medal for his development of crucial new nonlinear concepts and their application in geoscience. Join us in congratulating Prof. Kurths and read his work in Chaos.
Chaos at fifty
Chaos Editor-in-Chief David Campbell and Editor Adilson Motter review the development of nonlinear science for Physics Today. Read the article.
Dynamics Days Europe 2013
The 2013 annual meeting of Dynamics Days Europe takes place 3-7 June in Madrid, Spain. See the conference website for more details.
Chaos Thanks Its Referees
The Editor-in-Chief and the Editors wish to express their appreciation to the referees for their conscientious efforts on behalf of the Chaos in 2012. Click here for a list.
APS March Meeting 2013
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The 2012 Nobel Prize in Physics
The American Institute of Physics congratulates this year's Nobel Laureates in Physics, Serge Haroche and David J. Wineland “for ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems."CHAOS ranks among the top ten journals in Applied Mathematics and Mathematical Physics.
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Gallery of Nonlinear Images
See the winning entries in the Gallery of Nonlinear Images, presented in the December issue of Chaos
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Focus Issue on Statistical Mechanics and Billiard-type Dynamical Systems in the June 2012 Issue of Chaos
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