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Pré-Publication, Document De Travail Année : 2024

A new twist on the large size limit behaviour of networks of Hopfield-like neurons

Résumé

We revisit the problem of characterising the thermodynamic limit of a fully connected network of Hopfield-like neurons. Our contributions are that we provide a) a complete description of the mean-field equations as a set of stochastic differential equations depending on a mean (m(t)) and covariance (K(t, s)) functions, b) a provably convergent method for estimating these functions, and c) numerical results of this estimation as well as examples of the resulting dynamics. The mathematical tools are the theory of Large Deviations, Itô stochastic calculus, and the theory of Volterra equations. Starting from the equation of the membrane potential X t of a single neuron with intrinsic dynamics g, submitted to Brownian noise W t
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Dates et versions

hal-04391216 , version 1 (12-01-2024)

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  • HAL Id : hal-04391216 , version 1

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Olivier C Faugeras, Etienne Tanré. A new twist on the large size limit behaviour of networks of Hopfield-like neurons. 2024. ⟨hal-04391216⟩
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