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Analysis of Ising Spin Neural Network with Time-Dependent Mexican-Hat-Type Interaction

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Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 5507))

Abstract

We analyzed the equilibrium states of an Ising spin neural network model in which both spins and interactions evolve simultaneously over time. The interactions are Mexican-hat-type, which are used for lateral inhibition models. The model shows a bump activity, which is the locally activated network state. The time-dependent interactions are driven by Langevin noise and Hebbian learning. The analysis results reveal that Hebbian learning expands the bistable regions of the ferromagnetic and local excitation phases.

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© 2009 Springer-Verlag Berlin Heidelberg

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Hara, K., Miyoshi, S., Uezu, T., Okada, M. (2009). Analysis of Ising Spin Neural Network with Time-Dependent Mexican-Hat-Type Interaction. In: Köppen, M., Kasabov, N., Coghill, G. (eds) Advances in Neuro-Information Processing. ICONIP 2008. Lecture Notes in Computer Science, vol 5507. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03040-6_24

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  • DOI: https://doi.org/10.1007/978-3-642-03040-6_24

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-03039-0

  • Online ISBN: 978-3-642-03040-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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