Title of article :
Existence of limit cycles for coupled van der Pol equations
Author/Authors :
Norimichi Hirano، نويسنده , , S awomir Rybicki، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
In this paper, we consider the existence of limit cycles of coupled van der Pol equations by using S1-degree theory due to Dylawerski et al. (see Ann. Polon. Math. 62 (1991) 243).
Keywords :
Limit cycles , van der Pol system , S1-degree
Journal title :
JOURNAL OF DIFFERENTIAL EQUATIONS
Journal title :
JOURNAL OF DIFFERENTIAL EQUATIONS