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|Type:||Artigo de periódico|
|Title:||Limit cycles of the generalized polynomial Lienard differential equations|
|Abstract:||We apply the averaging theory of first, second and third order to the class of generalized polynomial Lienard differential equations. Our main result shows that for any n, m >= 1 there are differential equations of the form x + f(x)(x) Over dot + g(x) = 0, with f and g polynomials of degree n and m respectively, having at least [(n+m-1)/2] limit cycles, where  denotes the integer part function.|
|Editor:||Cambridge Univ Press|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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