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Limit cycles for vector fields with homogeneous components

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Cima A., Gasukk A., Mañosas F.

Applicationes Mathematicae

1996-1997

tom 24

nr 3

281-287

We study planar polynomial differential equations with homogeneous components. This kind of equations present a simple and well known dynamics when the degrees (n and m) of both components coincide. Here we consider the case $n\ne m$ and we show that the dynamics is more complicated. In fact, we prove that such systems can exhibit periodic orbits only when nm is odd. Furthermore, for nm odd we give examples of such differential equations with at least (n+m)/2 limit cycles.

Ograniczanie wyników

1 Applicationes Mathematicae

1 Cima A.

1 Gasukk A.

1 Mañosas F.

1 1997

Wyniki wyszukiwania

Limit cycles for vector fields with homogeneous components