Nonlinear Dynamics and
Systems Theory :: An International Journal of Research and Surveys
Nonlinear Dynamics
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Systems Theory

An International Journal of Research and Surveys



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NONLINEAR DYNAMICS AND SYSTEMS THEORY

An International Journal of Research and Surveys

Volume 25
Number 5
2025


Contents

Resolvability of Boundary Value Problems with Integral Conditions and Solution's Approximation by Homotopy Perturbation Method
471
Necib Abdelhalim, Iqbal M. Batiha, Imad Rezzoug, Adel Ouannas, Osama Ogilat, Nidal Anakira and Tala Sasa
| Abstract (pdf) |  | Article (pdf) | 
On the Positivity and Stability Analysis of Conformable Fractional COVID-19 Models
487
Saadia Benbernou Belmehdi, Djillali Bouagada, Boubakeur Benahmed and Kamel Benyettou
| Abstract (pdf) |  | Article (pdf) | 
µ-Sp-Pseudo Almost Automorphic Solutions for Multidimensional Systems of Nonlinear Delay Integral Equations
499
A. El Haddouchi and A. Sadrati
| Abstract (pdf) |  | Article (pdf) | 
Double-Phase Systems with Neumann Boundary Condition
518
M. Knifda, A. Aberqi and A. Ouaziz
| Abstract (pdf) |  | Article (pdf) | 
The Duffing Oscillator: Metamorphoses of 1 : 2 Resonance and Its Interaction with the Primary Resonance
535
J. Kyzioł and A. Okniński
| Abstract (pdf) |  | Article (pdf) | 
Implementation of Recurrent Neural Network and Kalman Filter Method to Predict Hypertension Case in East Java Province
546
T. Mahyuvi, I. Indasah, S. Suwarto, B. M. Suhita and T. Herlambang
| Abstract (pdf) |  | Article (pdf) | 
Generalized n-Characteristic, Coincidence and Fixed Point Theorems for a Class of Pairs of Morphisms
554
C. Matmat
| Abstract (pdf) |  | Article (pdf) | 
Limit Cycles for a Class of Generalized Lienard Polynomial Differential Systems via the First-Order Averaging Method
563
A. Menaceur and A. Makhlouf
| Abstract (pdf) |  | Article (pdf) | 
On Existence and Uniqueness of Solution of Heat Equations in Quasi-Metric Spaces
573
A. H. Zakiyudin, K. Fahim, M. Yunus, Sunarsini, I. G. N. R. Usadha and Sadjidon
| Abstract (pdf) |  | Article (pdf) | 

 

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