Synchronization in Discrete-Time, Discrete-State Random Dynamical Systems

Synchronization in Discrete-Time, Discrete-State Random Dynamical Systems
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离散时间、离散状态随机动力系统中的同步

DOI:
10.1137/19m1244883
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发表时间:
2019-10
影响因子:
2.1
通讯作者:
Yi Yingfei
Yi Yingfei
中科院分区:
数学3区
文献类型:
--
作者:
Huang Wen;Qian Hong;Wang Shirou;Ye Felix X-F;Yi Yingfei

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我们描述了离散时间,离散状态随机动力系统的同步现象,随机和概率布尔网络作为特殊的例子。利用诱导线性上循环的乘法遍历性,证明了具有有限状态的随机动力系统的李雅普诺夫指数0具有单重数的充要条件。对于可数状态集的情形,利用李雅普诺夫指数无穷大对应的谱子空间给出了同步的特征。此外,对于有限状态集和可数状态集的情况,通过将状态集划分为同步子集来描述部分同步的机制。生物网络的应用也进行了讨论。
We characterize the synchronization phenomenon in discrete-time, discrete-state random dynamical systems, with random and probabilistic Boolean networks as particular examples. In terms of multiplicative ergodic properties of the induced linear cocycle, we show such a random dynamical system with finite state synchronizes if and only if the Lyapunov exponent 0 has simple multiplicity. For the case of countable state set, characterization of synchronization is provided in term of the spectral subspace corresponding to the Lyapunov exponent -infinity. In addition, for cases of both finite and countable state sets, the mechanism of partial synchronization is described by partitioning the state set into synchronized subsets. Applications to biological networks are also discussed.
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