Bifurcation of Limit Cycles of a Piecewise Smooth Hamiltonian System

• Jihua Yang ^[1] ; Liqin Zhao ^[2]
  1. [1] Ningxia Normal University

     Ningxia Normal University

     China

     
  2. [2] Beijing Normal University

     Beijing Normal University

     China

     
• Localización: Qualitative theory of dynamical systems, ISSN 1575-5460, Vol. 21, Nº 4, 2022
• Idioma: inglés
• Enlaces
  • Texto completo (pdf)
• Resumen

  • In order to get the lower bound of the number of limit cycles for near-Hamiltonian systems, one often faces the difficulty in verifying the independence of the coefficients of some polynomials. The difficulty is mainly coming from the tedious iterative computation. In the present paper, we provide an approach to verify the independence which largely reduces calculation and illustrate this method by perturbing a piecewise smooth Hamiltonian system with a homoclinic loop. Using this method, we prove that the maximal number of limit cycles of this system is n+[n+12], and this bound can be reached.

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