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Quasi-projective and complete synchronization of fractional-order complex-valued neural networks with time delays
Hong-Li Li1, Cheng Hu2, Jinde Cao3
1College of Mathematics and System Sciences, Xinjiang University, Urumqi 830046, China; School of Mathematics, Southeast University, Nanjing 210096, China.
Abstract:
This paper studies quasi-projective synchronization (QPS) and complete synchronization (CS) for a class of fractional-order complex-valued neural networks with time delays by designing suitable controllers. To realize QPS and CS, linear feedback controller and adaptive controller are designed, and a novel fractional-order differential inequality is built by means of Laplace transform and properties of Mittag-Leffler function. By utilizing Lyapunov method, our proposed inequality, fractional-order Razumikhin theorem and some complex analysis techniques, some effective criteria are derived to ensure QPS and CS of the considered networks. Furthermore, the error bound of QPS is obtained. Finally, some numerical results are given to demonstrate the effectiveness of the presented theoretical results.
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