Characterizing asymptotic stability with dulac functions

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This paper studies questions regarding the local and global asymptotic stability of analytic autonomous ordinary differential equations in ℝn. It is well-known that such stability can be characterized in terms of Liapunov functions. The authors prove similar results for the more geometrically motivated Dulac functions. In particular it holds that any analytic autonomous ordinary differential equation having a critical point which is a global attractor admits a Dulac function. These results can be used to give criteria of global attraction in two-dimensional systems.
Original languageEnglish
Pages (from-to)59-76
JournalDiscrete and Continuous Dynamical Systems
Issue number1
Publication statusPublished - 1 Jan 2007


  • Curvature of orbits
  • Dulac function
  • Global and local asymptotic stability
  • Jacobian conjecture
  • Liapunov function
  • Markus-Yamabe

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