Phase portraits of uniform isochronous quartic centers

Jackson Itikawa, Jaume Llibre

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)


© 2015 Elsevier B.V.All rights reserved.All rights reserved. In this paper we classify the global phase portraits in the Poincaré disc of all quartic polynomial differential systems with a uniform isochronous center at the origin such that their nonlinear part is not homogeneous.
Original languageEnglish
Pages (from-to)98-114
JournalJournal of Computational and Applied Mathematics
Publication statusPublished - 15 Oct 2015


  • Phase portrait
  • Polynomial vector field
  • Uniform isochronous center


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