Approximate cluster synchronization in networks with symmetries and parameter mismatches
Francesco Sorrentino1, Louis Pecora2
1Department of Mechanical Engineering, University of New Mexico, Albuquerque, New Mexico 87131, USA.
Abstract:
We study cluster synchronization in networks with symmetries in the presence of small generic parametric mismatches of two different types: mismatches affecting the dynamics of the individual uncoupled systems and mismatches affecting the network couplings. We perform a stability analysis of the nearly synchronous cluster synchronization solution and reduce the stability problem to a low-dimensional form. We also show how under certain conditions the low dimensional analysis can be used to predict the overall synchronization error, i.e., how close the individual nearly synchronous trajectories are to each other.
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