A cycle with a "short" period in the phenomenological model of a single neuron

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Main Authors: Preobrazhenskaia, Margarita M., Preobrazhenskii, Igor E.
Format: Preprint
Published: 2024
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author Preobrazhenskaia, Margarita M.
Preobrazhenskii, Igor E.
author_facet Preobrazhenskaia, Margarita M.
Preobrazhenskii, Igor E.
contents We consider the relay version of the generalized Hutchinson's equation as a phenomenological model of an isolated neuron. After an exponential substitution, the equation takes the form of a differential-difference equation with a piecewise-constant right-hand side. In the work of A. Yu. Kolesov and others, this equation was studied with a negative continuous initial function, and the existence and orbital stability of a periodic solution with a period longer than the delay were proven. In the present work, all possible solutions with continuous on the interval of the delay length initial functions, containing no more than two zeros, are constructed. It is proven that the equation has a periodically unstable solution, the period of which is shorter than the delay.
format Preprint
id arxiv_https___arxiv_org_abs_2408_16000
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A cycle with a "short" period in the phenomenological model of a single neuron
Preobrazhenskaia, Margarita M.
Preobrazhenskii, Igor E.
Dynamical Systems
Classical Analysis and ODEs
Neurons and Cognition
37N25, 37L15
We consider the relay version of the generalized Hutchinson's equation as a phenomenological model of an isolated neuron. After an exponential substitution, the equation takes the form of a differential-difference equation with a piecewise-constant right-hand side. In the work of A. Yu. Kolesov and others, this equation was studied with a negative continuous initial function, and the existence and orbital stability of a periodic solution with a period longer than the delay were proven. In the present work, all possible solutions with continuous on the interval of the delay length initial functions, containing no more than two zeros, are constructed. It is proven that the equation has a periodically unstable solution, the period of which is shorter than the delay.
title A cycle with a "short" period in the phenomenological model of a single neuron
topic Dynamical Systems
Classical Analysis and ODEs
Neurons and Cognition
37N25, 37L15
url https://arxiv.org/abs/2408.16000