Exponential Transients in Continuous-Time Symmetric Hopfield Nets

  • Authors:
  • Jirí Síma;Pekka Orponen

  • Affiliations:
  • -;-

  • Venue:
  • ICANN '01 Proceedings of the International Conference on Artificial Neural Networks
  • Year:
  • 2001

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Abstract

We establish a fundamental result in the theory of continuous-time neural computation, by showing that so called continuoustime symmetric Hopfield nets, whose asymptotic convergence is always guaranteed by the existence of a Liapunov function may, in the worst case, possess a transient period that is exponential in the network size. The result stands in contrast to e.g. the use of such network models in combinatorial optimization applications.