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- Title
Stability and Hopf bifurcation of a delayed Cohen-Grossberg neural network with diffusion.
- Authors
Tian, Xiaohong; Xu, Rui
- Abstract
In this paper, a delayed Cohen-Grossberg neural network with diffusion under homogeneous Neumann boundary conditions is investigated. By analyzing the corresponding characteristic equation, the local stability of the trivial uniform steady state and the existence of Hopf bifurcation at the trivial steady state are established, respectively. By using the normal form theory and the center manifold reduction of partial function differential equations, formulae are derived to determine the direction of bifurcations and the stability of bifurcating periodic solutions. Numerical simulations are carried out to illustrate the main results. Copyright © 2016 John Wiley & Sons, Ltd.
- Subjects
STABILITY theory; HOPF bifurcations; ARTIFICIAL neural networks; NEUMANN boundary conditions; EXISTENCE theorems
- Publication
Mathematical Methods in the Applied Sciences, 2017, Vol 40, Issue 1, p293
- ISSN
0170-4214
- Publication type
Article
- DOI
10.1002/mma.3995