Abstract
Two new accelerated fixed-time stable dynamic systems are proposed for solving absolute value equations (AVEs): \(Ax-|x|-b=0\). Under some mild conditions, the equilibrium point of the proposed dynamic systems is completely equivalent to the solution of the AVEs under consideration. Meanwhile, we have introduced a new relatively tighter global error bound for the AVEs. Leveraging this finding, we have separately established the globally fixed-time stability of the proposed methods, along with providing the conservative settling-time for each method. Compared with some existing state-of-the-art dynamical methods, preliminary numerical experiments show the effectiveness of our methods in solving the AVEs.
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Acknowledgements
Thank you to all the reviewers and editors for their valuable comments and assistance with this manuscript. This work was funded partly by National Key R &D Program of China (2021YFA1003600, 2021YFA1003601), and Key Program of National Natural Science of China (12331011) and National Natural Science Foundation of China (12071398), the Starting Research Fund Project of Xiangtan University (21QDZ50), and Hunan Provincial Innovation Foundation for Postgraduate (CX20230621).
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Communicated by Nobuo Yamashita.
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Zhang, X., Li, C., Zhang, L. et al. Convergence-Accelerated Fixed-Time Dynamical Methods for Absolute Value Equations. J Optim Theory Appl 203, 600–628 (2024). https://doi.org/10.1007/s10957-024-02525-z
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DOI: https://doi.org/10.1007/s10957-024-02525-z