Phase portraits of quadratic polynomial differential systems having as solution some classical planar algebraic curves of degree 4

Rebiha Benterki, Jaume Llibre

Research output: Contribution to journalArticleResearch

Abstract

©2019 Texas State University. We classify the phase portraits of quadratic polynomial differential systems having some relevant classic quartic algebraic curves as invariant algebraic curves, i.e. these curves are formed by orbits of the quadratic polynomial differential system. More precisely, we realize 16 different well-known algebraic curves of degree 4 as invariant curves inside the quadratic polynomial differential systems. These realizations produce 31 topologically different phase portraits in the Poincaré disc for such quadratic polynomial differential systems.
Original languageEnglish
Article number15
JournalElectronic Journal of Differential Equations
Volume2019
Publication statusPublished - 1 Jan 2019

Keywords

  • Invariant algebraic curve
  • Poincaré disc
  • Quadratic differential system

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