Agraïments: The second author is partially supported by FEDER-UNAB10-4E-378.Agraïments: The third author is partially supported by FCT/Portugal through the project UID/MAT/04459/2013
For planar polynomial vector fields of the form \[ (-y X(x,y)) x (x Y(x,y)) y, \] where X and Y star...
The problem of distinguishing between a focus and a center is one of the classical problems in the q...
A center for a differential system x˙=f(x) in R2 is a singular point p having a neighborhood U such ...
Agraïments: FEDER-UNAB10-4E- 378. The third author is supported by Portuguese National Funds through...
We classify the centers of the polynomial differential systems in R2 of degree d ≥ 5 odd that in com...
Agraïments: The first author is partially supported by FEDER-UNAB10-4E-378. The third author has bee...
Agraïments: The second author has been partially supported by FCT through CAMGSD, Lisbon
AbstractIn this paper we classify the centers, the cyclicity of its Hopf bifurcation and their isoch...
AbstractIn this paper we classify the centers localized at the origin of coordinates, and their isoc...
Agraïments: W. Aziz is financially supported by Ministry of Higher Education and Scientific Research...
AbstractIn this paper we classify the centers, the cyclicity of their Hopf bifurcation and the isoch...
AbstractIn this paper we classify the centers localized at the origin of coordinates, and their isoc...
Agraïments: The third author is partially supported by FCT/Portugal through UID/MAT/04459/2013.We ch...
We classify new classes of centers and of isochronous centers for polynomial differential systems in...
AbstractIn this paper we classify the centers, the cyclicity of its Hopf bifurcation and their isoch...
For planar polynomial vector fields of the form \[ (-y X(x,y)) x (x Y(x,y)) y, \] where X and Y star...
The problem of distinguishing between a focus and a center is one of the classical problems in the q...
A center for a differential system x˙=f(x) in R2 is a singular point p having a neighborhood U such ...
Agraïments: FEDER-UNAB10-4E- 378. The third author is supported by Portuguese National Funds through...
We classify the centers of the polynomial differential systems in R2 of degree d ≥ 5 odd that in com...
Agraïments: The first author is partially supported by FEDER-UNAB10-4E-378. The third author has bee...
Agraïments: The second author has been partially supported by FCT through CAMGSD, Lisbon
AbstractIn this paper we classify the centers, the cyclicity of its Hopf bifurcation and their isoch...
AbstractIn this paper we classify the centers localized at the origin of coordinates, and their isoc...
Agraïments: W. Aziz is financially supported by Ministry of Higher Education and Scientific Research...
AbstractIn this paper we classify the centers, the cyclicity of their Hopf bifurcation and the isoch...
AbstractIn this paper we classify the centers localized at the origin of coordinates, and their isoc...
Agraïments: The third author is partially supported by FCT/Portugal through UID/MAT/04459/2013.We ch...
We classify new classes of centers and of isochronous centers for polynomial differential systems in...
AbstractIn this paper we classify the centers, the cyclicity of its Hopf bifurcation and their isoch...
For planar polynomial vector fields of the form \[ (-y X(x,y)) x (x Y(x,y)) y, \] where X and Y star...
The problem of distinguishing between a focus and a center is one of the classical problems in the q...
A center for a differential system x˙=f(x) in R2 is a singular point p having a neighborhood U such ...
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