ABSTRACT We provide normal forms and the global phase portraits on the PoincarĂ© disk of some Abel quadratic differential equations of the second kind. Moreover, we also provide the bifurcation… Click to show full abstract
ABSTRACT We provide normal forms and the global phase portraits on the Poincaré disk of some Abel quadratic differential equations of the second kind. Moreover, we also provide the bifurcation diagrams for these global phase portraits.
               
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