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Global mean-square exponential stability and random periodicity of discrete-time stochastic inertial neural networks with discrete spatial diffusions and Dirichlet boundary condition by Tianwei Zhang; Yuntao Liu; Huizhen Qu is a Engineering article available to read on EtoBox.

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This article considers the dual hybrid influences of both discrete spatial diffusions and discrete time in a stochastic inertial neural network via first order exponential Euler difference and second order central finite difference. Based on a non-decomposed constant variation formula, global existence, global mean square boundedness and stability are addressed to the discrete space and time stochastic inertial neural networks. In particular, the optimal exponential convergence rate is discussed by solving nonlinear optimization problem under nonlinear constraints. Further, an implementable computer algorithm is given to calculate the optimal exponential convergence rate. Finally, random periodic solution to the discrete space and time stochastic inertial neural networks is researched by the theories of semi-flow and metric dynamical system and two numerical examples are given to illustrate the feasibility of the derived main results. The research findings show that the spatial diffusions with nonnegative smaller intensive coefficients have no influence on global mean square boundedness and stability, random periodicity of the networks under some suitable assumptions. Meanwhile, th

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Author

Tianwei Zhang; Yuntao Liu; Huizhen Qu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)