Birth of limit cycles for a class of continuous and discontinuous differential systems in (d + 2)–dimension

Jaume Llibre, Marco A. Teixeira, Iris O. Zeli

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Abstract

© 2015 Taylor & Francis. The orbits of the reversible differential system ẋ= − y, ẏ = x, ż = 0, with x, y ∈ R and z ∈ R d , are periodic with the exception of the equilibrium points (0, 0, z 1 ,… , z d ). We compute the maximum number of limit cycles which bifurcate from the periodic orbits of the system ẋ= − y, ẏ = x, ż = 0 , using the averaging theory of first order, when this system is perturbed, first inside the class of all polynomial differential systems of degree n, and second inside the class of all discontinuous piecewise polynomial differential systems of degree n with two pieces, one in y > 0 and the other in y < 0. In the first case, this maximum number is n d (n − 1)/2, and in the second, it is n d + 1 .
Original languageEnglish
Pages (from-to)237-250
JournalDynamical Systems
Volume31
Issue number3
DOIs
Publication statusPublished - 2 Jul 2016

Keywords

  • averaging method
  • discontinuous polynomial differential systems
  • Limit cycle
  • periodic orbit
  • polynomial differential system

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