Fixed-Time Convergence of Time-Varying Neurodynamic Systems for Mixed Variational Inequalities
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866910182785679360 |
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| author | Khan, Vajahat Karim Varshney, Vijendra Kumar Ahmad, Md. Kalimuddin |
| author_facet | Khan, Vajahat Karim Varshney, Vijendra Kumar Ahmad, Md. Kalimuddin |
| contents | This paper proposes novel fixed-time (FXT) convergent neurodynamic approaches for solving mixed variational inequality problems (MVIs). A class of first-order proximal neurodynamic models (PNMs), including time-varying proximal neurodynamic models (TVPNMs), is developed to guarantee FXT convergence to the solution of MVIs from arbitrary initial conditions. Rigorous convergence and stability analyses are established under the assumptions of strong pseudomonotonicity and Lipschitz continuity, using Lyapunov stability theory. The proposed methods exhibit FXT convergence from any initial point, with convergence speed significantly enhanced through the strategic design of time-varying coefficients. Explicit upper bounds on the settling time are derived for the time-varying neurodynamic models. In addition, the robustness of the proposed approaches against bounded noise disturbances is analyzed. The applicability of the proposed framework is further demonstrated for composite optimization problems and minimax optimization problems. Also, numerical examples are presented to demonstrate the effectiveness and convergence behavior of the proposed methods. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_00002 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Fixed-Time Convergence of Time-Varying Neurodynamic Systems for Mixed Variational Inequalities Khan, Vajahat Karim Varshney, Vijendra Kumar Ahmad, Md. Kalimuddin Optimization and Control Dynamical Systems This paper proposes novel fixed-time (FXT) convergent neurodynamic approaches for solving mixed variational inequality problems (MVIs). A class of first-order proximal neurodynamic models (PNMs), including time-varying proximal neurodynamic models (TVPNMs), is developed to guarantee FXT convergence to the solution of MVIs from arbitrary initial conditions. Rigorous convergence and stability analyses are established under the assumptions of strong pseudomonotonicity and Lipschitz continuity, using Lyapunov stability theory. The proposed methods exhibit FXT convergence from any initial point, with convergence speed significantly enhanced through the strategic design of time-varying coefficients. Explicit upper bounds on the settling time are derived for the time-varying neurodynamic models. In addition, the robustness of the proposed approaches against bounded noise disturbances is analyzed. The applicability of the proposed framework is further demonstrated for composite optimization problems and minimax optimization problems. Also, numerical examples are presented to demonstrate the effectiveness and convergence behavior of the proposed methods. |
| title | Fixed-Time Convergence of Time-Varying Neurodynamic Systems for Mixed Variational Inequalities |
| topic | Optimization and Control Dynamical Systems |
| url | https://arxiv.org/abs/2605.00002 |