I.A.
García & B.
Hernández-Bermejo |
Poisson systems as the natural
framework for additional first integrals via Darboux invariant
hypersurfaces |
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I.A.
García, J. Llibre & S. Maza |
Cyclicity of a simple focus via the vanishing multiplicity
of inverse integrating factors |
|
A. Buica, I.A. García & S. Maza |
Centers in a quadratic system
obtained from a scalar third order differential equation |
|
A. Buica, I.A. García & S. Maza |
Existence of inverse
Jacobi multipliers around Hopf points in R^3: emphasis on the
center problem |
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B.
García, J. Giné, M. Grau &
J.S. Pérez del Río |
On the multiplicity of algebraic
limit cycles |
PDF |