Preprint Article Version 3 Preserved in Portico This version is not peer-reviewed

Stability Analysis of Nontrivial Stationary Solution and Constant Equilibrium Point of Reaction-Diffusion Neural Networks with Time Delays under Dirichlet Zero Boundary Value

Version 1 : Received: 15 April 2020 / Approved: 16 April 2020 / Online: 16 April 2020 (13:33:43 CEST)
Version 2 : Received: 13 August 2020 / Approved: 20 August 2020 / Online: 20 August 2020 (04:13:36 CEST)
Version 3 : Received: 21 August 2020 / Approved: 22 August 2020 / Online: 22 August 2020 (09:55:22 CEST)
Version 4 : Received: 29 August 2020 / Approved: 31 August 2020 / Online: 31 August 2020 (08:26:12 CEST)
Version 5 : Received: 8 September 2020 / Approved: 11 September 2020 / Online: 11 September 2020 (08:27:42 CEST)

How to cite: Rao, R. Stability Analysis of Nontrivial Stationary Solution and Constant Equilibrium Point of Reaction-Diffusion Neural Networks with Time Delays under Dirichlet Zero Boundary Value. Preprints 2020, 2020040277 (doi: 10.20944/preprints202004.0277.v3). Rao, R. Stability Analysis of Nontrivial Stationary Solution and Constant Equilibrium Point of Reaction-Diffusion Neural Networks with Time Delays under Dirichlet Zero Boundary Value. Preprints 2020, 2020040277 (doi: 10.20944/preprints202004.0277.v3).

Abstract

In this paper, Lyapunov-Razumikhin technique, design of state-dependent switching laws, a fixed point theorem and variational methods are employed to derive the existence and the unique existence results of (globally) exponentially stable positive stationary solution of delayed reaction-diffusion cell neural networks under Dirichlet zero boundary value, including the global stability criteria \textbf{in the classical meaning}. Next, sufficient conditions are proposed to guarantee the global stability invariance of ordinary differential systems under the influence of diffusions. New theorems show that the diffusion is a double-edged sword in judging the stability of diffusion systems. Besides, an example is constructed to illuminate that any non-zero constant equilibrium point must be not in the phase plane of dynamic system under Dirichlet zero boundary value, or it must lead to a contradiction. Next, under Lipschitz assumptions on active function, another example is designed to prove that the small diffusion effect will cause the essential change of the phase plane structure of the dynamic behavior of the delayed neural networks via a Saddle point theorem. Finally, a numerical example illustrates the feasibility of the proposed methods.

Subject Areas

reaction-diffusion; cellular neural networks; exponential stability; stationary solutions; Saddle point theorem

Comments (1)

Comment 1
Received: 22 August 2020
Commenter: Ruofeng Rao
Commenter's Conflict of Interests: Author
Comment: Revision Notes
Dear editors of Preprint,

My this paper “Stability analysis of nontrivial stationary solution and constant equilibrium point of reaction-diffusion neural networks with time delays under Dirichlet zero boundary value” is the revised edition of my paper ” Stability analysis of nontrivial stationary solution and constant equilibrium point of reaction-diffusion neural networks with time delays under Dirichlet zero boundary value” (doi:10.20944/preprints202004.0277.v2).
This is the third revision of my original manuscript (doi:10.20944/preprints202004.0277.v1).

Compared with my second edition, the main revision notes are presented as follows,

(1) adding Definition 3 in the second chapter.
(2) adding an example--- Example 3.5
(3) improving the numerical example---Example 4.1

Of course, by the way, I corrected several small clerical errors.

Thank you for your serious and responsible editing work all the time. It's a great honor to be able to publish a preprint online. Thank you again.

Best regards,
Ruofeng Rao
Professor at Chengdu Normal University, China.
August 21, 2020.
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