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Synchronization and random attractors for reaction jump processes

accepted for publication
  • This work explores a synchronization-like phenomenon induced by common noise for continuous-time Markov jump processes given by chemical reaction networks. A corresponding random dynamical system is formulated in a two-step procedure, at first for the states of the embedded discrete-time Markov chain and then for the augmented Markov chain including also random jump times. We uncover a time-shifted synchronization in the sense that -- after some initial waiting time -- one trajectory exactly replicates another one with a certain time delay. Whether or not such a synchronization behaviour occurs depends on the combination of the initial states. We prove this partial time-shifted synchronization for the special setting of a birth-death process by analyzing the corresponding two-point motion of the embedded Markov chain and determine the structure of the associated random attractor. In this context, we also provide general results on existence and form of random attractors for discrete-time, discrete-space random dynamical systems.
Author:Maximilian Engel, Guillermo Olicón-Méndez, Nathalie Unger, Stefanie WinkelmannORCiD
Document Type:Article
Parent Title (English):Journal of Dynamics and Differential Equations
Year of first publication:2024
ArXiv Id:http://arxiv.org/abs/2207.00602
Accept ✔
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