Existence, uniqueness and global stability of Clifford-valued neutral-type neural networks with time delays

G. Rajchakit, R. Sriraman, C.P. Lim and B. Unyong

Mathematics and Computers in Simulation (MATCOM), 2022, vol. 201, issue C, 508-527

Abstract: In this paper, we analyze the global asymptotic stability and global exponential stability with respect to the Clifford-valued neutral-type neural network (NN) models with time delays. By considering the neutral term, a Clifford-valued NN model with time delays is formulated, which encompasses real-valued, complex-valued, and quaternion-valued NN models as special cases. In order to achieve our main results, the n-dimensional Clifford-valued NN model is decomposed into 2mn-dimensional real-valued models. Moreover, a proper function is constructed to handle the neutral term and prove that the equilibrium point exists. Utilizing the homeomorphism theory, linear matrix inequality as well as Lyapunov functional methods, we derive the sufficient conditions corresponding to the existence, uniqueness, and global asymptotic stability with respect to the equilibrium point of the Clifford-valued neutral-type NN model. Numerical examples to demonstrate the effectiveness of the results are provided, and the simulations results are analyzed and discussed.

Keywords: Clifford-valued neural network; Asymptotic stability; Exponential stability; Lyapunov functional; Neutral delay (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:201:y:2022:i:c:p:508-527

DOI: 10.1016/j.matcom.2021.02.023

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