Nilpotent centers on center manifolds, cyclicity of Hopf centers and the period function near a Persistent Polycycle

    Student thesis: Doctoral thesis

    Date of Award2 Aug 2024
    Original languageEnglish
    Awarding Institution
    • São Paulo State University
    SupervisorJordi Villadelprat Yague (Director) & Claudio Gomes Pessoa (Director)

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