Qualitative theory of dynamical systems

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  Año 2025, Vol. 24, Número 2

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    Existence, Uniqueness, and Stability Results of Fractional Volterra–Fredholm Integro-Differential Equations with State-Dependent Delay

    Tharmalingam Gunasekar, Prabakaran Raghavendran, Kottakkaran Sooppy Nisar

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    15 págs.

    
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    Bifurcations and Exact Peakons, Periodic Peakons, Solitary Wave, Kink Wave Solutions for the Quartic CH-Type Equation

    Xueqiong Yi, Yuqian Zhou, Qian Liu, Kebing Li, Shengning Zhang

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    Painlevé-Type Auto-Bäcklund Transformations, Periodic and Soliton Solutions of a Damped Variable-Coefficient Fifth-Order Modified Korteweg-de Vries Equation for the Surface Waves in a Strait or Large Channel

    Shu Peng Feng, Bo Tian, Hao Dong Liu

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    Dulac’s Theorem Revisited

    Melvin Yeung

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    On Multi Order Nonlinear Langevin Type of FDE Subject to Multi-Point Boundary Conditions

    Amel Berhail, Jehad Alzabut, Mohammad Esmael Samei

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    Qualitative Analysis, Chaotic Behavior and Optical Solitons Perturbation for the Coupled Fokas-Lenells System in Birefringent Fibers

    Lu Tang

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    Expansive Measures of Nonautonomous Iterated Function Systems

    Mengxin Cui, Bilel Selmi, Zhiming Li

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    Necessary Optimality Conditions for Singular Controls of Caputo Fractional Systems with Delay in Control

    Shakir Sh. Yusubov, Elimhan N. Mahmudov

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    Lie Subalgebras, Solutions and Conserved Vectors of a Nonlinear Geophysical Korteweg de Vries Equation in Ocean Physics and Nonlinear Mechanics with Power Law

    Oke Davies Adeyemo

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    An Investigation on the Approximate Controllability of Non-instantaneous Impulsive Hilfer Sobolev-Type Fractional Stochastic System Driven by the Rosenblatt Process and Poisson Jumps

    Vandana Yadav, Ramesh Kumar Vats, Ankit Kumar

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    Dynamical Analysis and Numerical Simulation of a Stochastic Influenza Transmission Model with Human Mobility and Ornstein–Uhlenbeck Process

    Tan Su, Xinhong Zhang, Yonggui Kao-, Daqing Jiang

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    Global Phase Portrait of a Rolling Motion of Ships Equation

    Martha Alvarez, Jaume Llibre

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    Phase Portraits of the Family IV of the Quadratic Polynomial Differential Systems

    Joan Carles Artés Ferragud , Laurent Cairó, Jaume Llibre

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    Codimension-Two Bifurcation in a Class of a Discrete-Time Predator–Prey Interaction with Cannibalism

    Muhammad Asif Khan, Qamar Din

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    Generic Complex Polynomial Vector Fields with Real Coefficients

    Jonathan Godin, Christiane Rousseau

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    The Three-Strategy Game System with Interference: Rich Evolutionary Game Dynamics Induced by Information Delays

    Hairui Yuan, Xinzhu Meng, Haihui Cheng, Tonghua Zhang

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    Invariant Graphs and Dynamics of a Family of Continuous Piecewise Linear Planar Maps

    Anna Cima , Armengol Gasull i Embid , Víctor Mañosa Fernández , Francesc Mañosas Capellades

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    Dynamical Analysis of the Newell–Whitehead System

    Qi Meng, Yulin Zhao

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    Some New Hardy-Type Inequalities with Negative Parameters on Time Scales

    Martin Bohner, Irena Jadlovská, Ahmed I. Saied

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    Cosmic-Plasma Environment, Singular Manifold and Symbolic Computation for a Variable-Coefficient (2+1)-Dimensional Zakharov-Kuznetsov-Burgers Equation

    Xin Yi Gao, Xiu Qing Chen, Yong Jiang Guo, Wen Rui Shan

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    Dynamics of a Nonlocal Diffusive and Infectious SIR Epidemic Model with Double Free Boundaries

    Hanxiang Bao, Mingxin Wang

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    Analysis of Nonlinear Impulsive Adjoint Integro-Dynamic Equations on Time Scale

    Syed Omar Shah, Sanket Tikare, Rizwan Rizwan, Usman Riaz

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    Coexistence of Stability and Chaos in a Class of Difference Equations with Two Delays

    Wei Liang, Yongjun Zhang, Xuanxuan Zhang

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    Dynamical Properties of a Chemostat Model with Log-Normal Ornstein–Uhlenbeck Process and Distributed Delay

    Miaomiao Gao, Daqing Jiang

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    Dynamics of Gierer-Meinhardt System on Network: Influence of Time Delay

    Xiangyi Ma, Yanhua Zhu, Ying Sun, Ziwei Wang, Jinliang Wang

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    Analytical Soliton Solutions to a (2 + 1)-Dimensional Variable Coefficients Graphene Sheets Equation Using the Application of Lie Symmetry Approach: Bifurcation Theory, Sensitivity Analysis and Chaotic Behavior

    Sachin Kumar, Setu Rani, Nikita Mann

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    On the Stability of Hybrid Polycycles

    Paulo Santana, Leonardo Serantola

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    Blow-Up Behaviors of Minimizers for the H˙ c-Critical Fourth-Order Nonlinear Schrödinger Equation with the Mixed Dispersions

    Yichun Mo, Abdoulaye Ali Youssouf, Binhua Feng

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    Note on the Metric Entropy for Multivalued Maps

    Jan Andres, Pavel Ludvík

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    Some Notes on Topological Entropy of Subsets on Compact Uniform Spaces

    Zhongxuan Yang, Xiaojun Huang

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