Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-24T06:29:47.491Z Has data issue: false hasContentIssue false

Existence and uniqueness of travelling waves for a neural network

Published online by Cambridge University Press:  14 November 2011

G. Bard Ermentrout
Affiliation:
Department of Mathematics, University of Pittsburgh, Pittsburgh PA 15260, U.S.A
J. Bryce McLeod
Affiliation:
Department of Mathematics, University of Pittsburgh, Pittsburgh PA 15260, U.S.A

Synopsis

A one-dimensional scalar neural network with two stable steady states is analysed. It is shown that there exists a unique monotone travelling wave front which joins the two stable states. Some additional properties of the wave such as the direction of its velocity are discussed.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1993

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1Hopfield, J.. Neural networks and physical systems with emergent collective computational abilities. Proc. Nat. Acad. Sci. U.S.A. 79 (1982) 2554.CrossRefGoogle ScholarPubMed
2Ermentrout, G. B. and Cowan, J. D.. Secondary bifurcation in neuronal sets. SIAM J. Appl. Math. 39 (1980) 323340.CrossRefGoogle Scholar
3Tyson, J. J. and Keener, J. M.. Singular perturbation theory of travelling waves in excitable media (A review). Physica 32D (1988) 327361.Google Scholar
4Ermentrout, G. B.. Mathematical models for the patterns of premigrainous auras. In The Neurobiology of Pain, eds. Holden, A. and Winlow, W. (Manchester, Manchester University Press, 1984).Google Scholar
5Smith, D. B. and Bullock, T. H.. Model nerve net can produce rectilinear, nondiffuse propagation as seen in the skin plexus of sea urchins. J. Theoret. Biol. 143 (1990) 1540.CrossRefGoogle Scholar
6Fife, P. C. and McLeod, J. B.. The approach of solutions of nonlinear diffusion equations to travelling front solutions. Arch. Rational Mech. Anal. 65 (1977) 335361.CrossRefGoogle Scholar
7Fife, P. C. and McLeod, J. B.. A phase plane discussed of convergence to travelling fronts for nonlinear diffusion. Arch. Rational Mech. Anal. 75 (1981) 281314.CrossRefGoogle Scholar
8Diekmann, O. L. and Kaper, H. G.. On the bounded solutions of a nonlinear convolution equation. Nonlinear Anal. 2 (1978) 721737.CrossRefGoogle Scholar
9Lui, R.. Existence and stability of travelling wave solutions of a nonlinear integral operator. J. Math. Biol. 16 (1983) 199220.CrossRefGoogle Scholar