5 years ago

Spatial Dynamics of Multilayer Cellular Neural Networks

Cheng-Hsiung Hsu, Shi-Liang Wu


The purpose of this work is to study the spatial dynamics of one-dimensional multilayer cellular neural networks. We first establish the existence of rightward and leftward spreading speeds of the model. Then we show that the spreading speeds coincide with the minimum wave speeds of the traveling wave fronts in the right and left directions. Moreover, we obtain the asymptotic behavior of the traveling wave fronts when the wave speeds are positive and greater than the spreading speeds. According to the asymptotic behavior and using various kinds of comparison theorems, some front-like entire solutions are constructed by combining the rightward and leftward traveling wave fronts with different speeds and a spatially homogeneous solution of the model. Finally, various qualitative features of such entire solutions are investigated.

Publisher URL: https://link.springer.com/article/10.1007/s00332-017-9398-x

DOI: 10.1007/s00332-017-9398-x

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