NONLINEAR DYNAMICS AND SYSTEMS THEORY
              An International Journal of Research and Surveys                   | 
          
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              Contents
  
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Hybrid GW-PSO Algorithm for Enhanced Maximum Power Point Tracking under Various Conditions
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   144
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    |  N. Douifi, A. Abbadi, F. Hamidia, N. Rai and A. Tlemcani  | 
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Forecasting Air Pollution Levels Using Support Vector Regression and K-Nearest Neighbor Algorithm
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   153
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    |  I. Indasah, A. Y. P. Asih, T. Herlambang, P. Triwinanto and K. Oktafianto  | 
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A Novel Chaotic Jerk System with Multistability and Its Circuit Implementation
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   161
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    |  K. Kalaichelvi, R. Rameshbabu, V. Dharshini Priya, P. Gokula Rithanya, G. K. Bhavadharani and K. S. Gayathiri  | 
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Variational Analysis and Error Estimate of Contact Problem for Thermo-Viscoelastic Bodies with Long-Term Memory
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   171
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    |  Roufaida Ketfi, Abdelmoumene Djabi and Ilyas Boukaroura  | 
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Analysis of an HIV-1 Infection Model with Delay Including Quiescent Cells and Cell-to-Cell Transmission
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   187
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    |  Meriem Lamraoui, Bilal Boulfoul and Mahieddine Kouche  | 
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Electronic Circuit and Complete Synchronization via Active Backstepping Control for a New Chaotic 3-D Jerk System
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   206
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    |  A. R. Mamat, M. A. Mohamed, S. Vaidyanathan, A. Sambas, L. Patria and R. Ramesh  | 
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Advanced Fixed-Point Results for New Type Contractions via Simulation Functions in b-Metric Spaces with an Application to Nonlinear Integral | 
   217
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    |  Haitham Qawaqneh  | 
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Obituary to Professor T. A. Burton (1935 – 2025) | 
   229
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    |  John Graef, A. A. Martynyuk and I. P. Stavroulakis  | 
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