Qualitative theory of dynamical systems

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  Año 2022, Vol. 21, Número 3

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    Qualitative Analysis of an HIV/AIDS Model with Treatment and Nonlinear Perturbation

    Miaomiao Gao, Daqing Jiang, Tasawar Hayat

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    Qualitative and Bifurcation Analysis in a Leslie-Gower Model with Allee Effect

    Kan Fang, Zhenliang Zhu, Fengde Chen, Zhong Li

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    On the Number of Limit Cycles Bifurcating from the Linear Center with an Algebraic Switching Curve

    Jiaxin Wang, Liqin Zhao, Jinping Zhou

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    Sign-changing Solutions for the Chern-Simons-Schrödinger Equation with Concave-convex Nonlinearities

    Zhi-Fang Liu, Chun-Lei Tang

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    Positive and Sign-changing Solutions for Critical Schrödinger–Poisson Systems with Sign-changing Potential

    Xiao Ping Chen, Chun-Lei Tang

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    Dynamic Analysis of a Model on Tumor-Immune System with Regulation of PD-1/PD-L1 and Stimulation Delay of Tumor Antigen

    Jianquan Li, Fang Liu, Yuming Chen, Dian Zhang

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    Limit Cycles of Discontinuous Perturbed Quadratic Center via the Second Order Averaging Method

    Fangfang Jiang

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    Hyers–Ulam Stability for a Coupled System of Fractional Differential Equation With p-Laplacian Operator Having Integral Boundary Conditions

    Hira Waheed, Akbar Zada, Rizwan Rizwan, Ioan Lucian Popa

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    Analysis of Q-Fractional Implicit Differential Equation with Nonlocal Riemann–Liouville and Erdélyi-Kober Q-Fractional Integral Conditions

    Akbar Zada, Mehboob Alam, Khansa Hina Khalid, Ramsha Iqbal, Ioan-Lucian Popa

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    Logarithmic Bounds for Ergodic Sums of Certain Flows on the Torus: a Short Proof

    Jérôme Carrand

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