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Finite-time and fixed-time function projective synchronization of competitive neural networks with noise perturbation

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Abstract

In this paper, finite-time and fixed-time function projective synchronization of competitive neural networks with time-varying delays and noise perturbation is studied. Firstly, different from the existing papers, a more flexible Lyapunov function is constructed based on p-norm and two hybrid controllers are designed in this paper. Secondly, based on the finite-time and fixed-time stability theory and stochastic analysis theory, some new and useful finite-time and fixed-time function projective synchronization criteria are obtained. Furthermore, the settling time is derived with the help of some lemmas and mathematical inequalities under the appropriate control scheme. Finally, illustrative examples are given to show the feasibility of the proposed method.

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Acknowledgements

The authors are grateful for the support of the National Natural Science Foundation of China [Grant 61304162].

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Caiqing Hao was involved in writing—original draft, formal analysis, investigation, and software. Baoxian Wang contributed to the conceptualization, methodology, writing—review and editing, supervision, project administration, and funding acquisition. Dandan Tang contributed to software, visualization, and validation.

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Correspondence to Baoxian Wang.

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Hao, C., Wang, B. & Tang, D. Finite-time and fixed-time function projective synchronization of competitive neural networks with noise perturbation. Neural Comput & Applic 36, 16527–16543 (2024). https://doi.org/10.1007/s00521-024-09885-7

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