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Abstract and Applied AnalysisVolume 2012 2012, Article ID 236562, 21 pages

Research Article

School of Science, Xidian University, Xi-an 710071, China

Institute of Math and Applied Math, Xianyang Normal University, Xianyang 712000, China

Received 17 April 2012; Accepted 16 June 2012

Academic Editor: Sabri Arik

Copyright © 2012 Weiyuan Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We discuss the dynamical behaviors of impulsive stochastic reaction-diffusion neural networks ISRDNNs with mixed time delays. By using a well-known L-operator differential inequality with mixed time delays and combining with the Lyapunov-Krasovkii functional approach, as well as linear matrix inequality LMI technique, some novel sufficient conditions are derived to ensure the existence, uniqueness, and global exponential stability of the periodic solutions for ISRDNNs with mixed time delays in the mean square sense. The obtained sufficient conditions depend on the reaction-diffusion terms. The results of this paper are new and improve some of the previously known results. The proposed model is quite general since many factors such as noise perturbations, impulsive phenomena, and mixed time delays are considered. Finally, two numerical examples are provided to verify the usefulness of the obtained results.

Autor: Weiyuan Zhang, Junmin Li, and Minglai Chen

Fuente: https://www.hindawi.com/


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