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Comment on “Bifurcation analysis of parametrically excited bipolar disorder model”

2008; Elsevier BV; Volume: 14; Issue: 6 Linguagem: Inglês

10.1016/j.cnsns.2008.08.014

1878-7274

Stephen Wirkus, Mason A. Porter,

Mental Health Research Topics

We are writing to comment briefly on the article ‘‘Bifurcation analysis of parametrically excited bipolar disorder model” by Laurent Nana, which was accepted for publication in 2007 and is presently available online among the officially forthcoming articles in Communications in Nonlinear Science and Numerical Simulation [2]. In the article, Laurent Nana models the mood swings of a patient as a van der Pol oscillator with autonomous forcing. Specifically, he considers