Rational Parameterizations Approach for Solving Equations in Some Dynamical Systems Problems

• Armengol Gasull ^[1] ; J. Tomás Lázaro ^[2] ; Torregrosa, Joan
  1. [1] Universitat Autònoma de Barcelona

     Universitat Autònoma de Barcelona

     Barcelona, España

     
  2. [2] Universitat Politècnica de Catalunya

     Universitat Politècnica de Catalunya

     Barcelona, España

     
• Localización: Qualitative theory of dynamical systems, ISSN 1575-5460, Vol. 18, Nº 2, 2019, págs. 583-602
• Idioma: inglés
• DOI: 10.1007/s12346-018-0300-5
• Enlaces
  • Texto completo
• Resumen

  • We show how the use of rational parameterizations facilitates the study of the number of solutions of many systems of equations involving polynomials and square roots of polynomials. We illustrate the effectiveness of this approach, applying it to several problems appearing in the study of some dynamical systems. Our examples include Abelian integrals, Melnikov functions and a couple of questions in Celestial Mechanics: the computation of some relative equilibria and the study of some central configurations.

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