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Multistability of Memristive Neural Networks with Non-monotonic Piecewise Linear Activation Functions

  • Xiaobing Nie
  • Jinde Cao
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9377)

Abstract

In this paper, a general class of non-monotonic piecewise linear activation functions is introduced and then the coexistence and dynamical behaviors of multiple equilibrium points are studied for a class of memristive neural networks (MNNs). It is proven that under some conditions, such n-neuron MNNs can have 5n equilibrium points located in \(\Re^n\), and 3n of them are locally exponentially stable, by means of fixed point theorem, nonsmooth analysis theory and rigorous mathematical analysis. The investigation shows that the neural networks with non-monotonic piecewise linear activation functions introduced in this paper can have greater storage capacity than the ones with Mexican-hat-type activation function.

Keywords

Memristive neural networks Multistability Non-monotonic piecewise linear activation functions 

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© Springer International Publishing Switzerland 2015

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Authors and Affiliations

  1. 1.Department of MathematicsSoutheast UniversityNanjingChina

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