Qualitative theory of dynamical systems

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  Año 2021, Vol. 20, Número 1

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    Two Action-Angle Surprises on the Sphere

    Larry Bates, Richard Cushman

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    Keplerian Orbits Through the Conley–Zehnder Index

    Henry Kavle, Daniel Offin, Alessandro Portaluri

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    Global Effect of Non-Conservative Perturbations on Homoclinic Orbits

    Marian Gidea, Rafael de la Llave Canosa , Maxwell Musser

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    The Existence of Aubry–Mather sets for the Fermi–Ulam Model

    Zhenbang Cao, Celso Grebogi, Denghui Li, Jianhua Xie

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    Travelling Wave Solutions of the General Regularized Long Wave Equation

    Hang Zheng, Yonghui Xia, Yuzhen Bai, Luoyi Wu

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    Persistence of Degenerate Lower Dimensional Invariant Tori in Reversible Systems with Bruno Non-degeneracy Conditions

    Xiaomei Yang, Junxiang Xu

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    Existence and Stability of Pseudo Almost Periodic Solutions for a Delayed Multispecies Logarithmic Population Model with Feedback Control

    Yi Wu, Yonghui Xia, Shengfu Deng

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    Steady Euler Flows on the 3-Sphere and Other Sasakian 3-Manifolds

    Radu Slobodeanu

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    On the Number of Limit Cycles in General Planar Piecewise Linear Differential Systems with Two Zones Having Two Real Equilibria

    Song-Mei Huan

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    Phase Portraits of Random Planar Homogeneous Vector Fields

    Anna Cima , Armengol Gasull i Embid , Víctor Mañosa Fernández

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    Topological Classifications for a Class of 2-dimensional Quadratic Mappings and an Application to Iterative Roots

    Zhiheng Yu, Lin Li, Lingling Liu

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    Dynamics of a Family of Meromorphic Functions with Two Essential Singularities Which Are Not Omitted Values

    P. Dominguez, G. Sienra, I. Hernández

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    Some Notes on Topological and Measure-Theoretic Entropy

    Tao Wang

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    Dynamical Behavior of Traveling Wave Solutions for a (2+1)-Dimensional Bogoyavlenskii Coupled System

    Temesgen Desta Leta, Wenjun Liu, Abdelfattah El Achab, Hadi Rezazadeh, Ahmet Bekir

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    Characterization of the Existence of Non-trivial Limit Cycles for Generalized Abel Equations

    María Jesus Álvarez Torres , José Luis Bravo Trinidad , Manuel Fernández García-Hierro , Rafel Jaume Prohens Sastre

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    Global Dynamical Behavior of FitzHugh–Nagumo Systems with Invariant Algebraic Surfaces

    Liwei Zhang, Jiang Yu, Xiang Zhang

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    On the Lefschetz Zeta Function for a Class of Toral Maps

    Pedro Berrizbeitia, Marcos J. González, Víctor F. Sirvent

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    A New Five-Dimensional Hyperchaotic System with Six Coexisting Attractors

    Jiaopeng Yang, Zhaosheng Feng, Zhenrong Liu

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    Gromov’s Amenable Localization and Geodesic Flows

    Gabriel Katz

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    Linear Stability Conditions for a First Order n-Dimensional Mapping

    Rafael Luís

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    Polynomial Entropy for Interval Maps and Lap Number

    José Barbosa Gomes, Mário Jorge Dias Carneiro

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    Existence for Impulsive Semilinear Functional Differential Inclusions

    Yan Luo, Weibing Wang

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