The attractor of an equation of Tricomi's type

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3 Citations (Scopus)


Consider the attractor A of an equation of pendulum type with friction driven by a constant torque. The results of M. Levi and also obtained independently by Q. Min, S. Xian, and Z. Jinyan show that if the friction coefficient is larger than a certain bound then A is homeomorphic to the circle. We shall study the bifurcation diagram of a particular class of equations of pendulum type and show that the bounds obtained before are optimal.

Original languageEnglish
Pages (from-to)1265-1270
Number of pages6
JournalJournal of Mathematical Analysis and Applications
Issue number2
Publication statusPublished - 15 Jun 2008


  • Attractor
  • Dissipative systems
  • Pendulum
  • Tricomi's equation


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