<p>This work studies the existence and attractivity of periodic solutions in a class of reaction–diffusion systems with distributed multi-delays, motivated by neural field models and population dynamics. We consider a class of linear partial differential equation with multidelays. By combining semi-Fredholm operator perturbation and fixed-point methods, we derive sufficient conditions for the existence of periodic solutions under non-compacity assumption on the semigroup generated by the linear part of the equation. As a concrete application, we analyze a spatially extended neural field model with synaptic delays and provide numerical simulations to illustrate our results.</p>

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Periodic Dynamics and Multidelays Effects in Neural Field Models: A Semi-Fredholm Approach

  • Ayoub Cheddour

摘要

This work studies the existence and attractivity of periodic solutions in a class of reaction–diffusion systems with distributed multi-delays, motivated by neural field models and population dynamics. We consider a class of linear partial differential equation with multidelays. By combining semi-Fredholm operator perturbation and fixed-point methods, we derive sufficient conditions for the existence of periodic solutions under non-compacity assumption on the semigroup generated by the linear part of the equation. As a concrete application, we analyze a spatially extended neural field model with synaptic delays and provide numerical simulations to illustrate our results.