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New result of existence of periodic solution for a Hopfield neural networks with neutral time-varying delaysKeywords: Hopfield neural networks , Neutral delay , Coincidence degree theory , Periodic solution Abstract: In this paper, a Hopfield neural network with neutral time-varying delays is investigated by using the continuation theorem of Mawhin's coincidence degree theory and some analysis technique. Without assuming the continuous differentiability of time-varying delays, sufficient conditions for the existence of the periodic solutions are given. The result of this paper is new and extends previous known result.
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