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|Title: ||Quadratic Lienard equations with quadratic damping|
|Authors: ||DUMORTIER, Freddy|
|Issue Date: ||1997|
|Publisher: ||ACADEMIC PRESS INC|
|Citation: ||JOURNAL OF DIFFERENTIAL EQUATIONS, 139(1). p. 41-59|
|Abstract: ||In this paper we study the generalized Lienard equations (x) double over dot + f(x) (x) overdot + g(x) = 0 with quadratic polynomials f and g. We prove that these kind of equations can have at most one limit cycle, and we give the complete bifurcation diagram and classification of the phase portraits. The paper also contains a shorter proof for the result in A. Lins, W. de Meio, and C. C. Pugh, 1977, Lecture Notes in Math. 597, 335-357 on the unicity of the limit cycle for (standard) Lienard equations with quadratic damping. (C) 1997 Academic Press.|
|Notes: ||BEIJING UNIV,DEPT MATH,BEIJING 100871,PEOPLES R CHINA. BEIJING UNIV,MATH INST,BEIJING 100871,PEOPLES R CHINA.Dumortier, F, LIMBURGS UNIV CTR,UNIV CAMPUS,B-3590 DIEPENBEEK,BELGIUM.|
|ISI #: ||A1997XU83200003|
|Type: ||Journal Contribution|
|Appears in Collections: ||Research publications|
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