Classification of the centers, their cyclicity and isochronicity for the generalized quadratic polynomial differential systems |
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| Authors: | Jaume Llibre |
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| Institution: | a Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Catalonia, Spain
b Departamento de Matemática, Instituto Superior Técnico, Av. Rovisco Pais 1049-001, Lisboa, Portugal |
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| Abstract: | In this paper we classify the centers, the cyclicity of their Hopf bifurcation and the isochronicity of the polynomial differential systems in R2 of degree d that in complex notation z=x+iy can be written as |
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| Keywords: | Centers Isochronous centers Polynomial vector fields Cyclicity |
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