Add to ORKGAltres ajuts: ICREA AcademiaWe study the existence of first integrals for the class of reversible and equivariant quadratic polynomial differential systems in the plane. We put special emphasis in the study of the analytic first integrals
This paper study the type of integrability of differential systems with separable variables x˙=h(x)f...
AbstractIn this paper we are going to apply the invariant theory to give invariant conditions on the...
In this paper we obtain sufficient conditions for the existence of a local analytic first integral f...
Abstract This is a survey on recent results providing sufficient conditions for the existence of a f...
Agraïments: The second author was supported by Portuguese National Funds through FCT - Fundacâo para...
We consider differential systems obtained by coupling two Euler–Poinsot systems. The motivation to c...
AbstractWe classify all quadratic polynomial differential systems having a polynomial first integral...
In this paper we find necessary and sufficient conditions in order that a planar homogeneous polynom...
For the cubic–linear polynomial planar differential systems with a finite singular point, we classif...
Abstract: The paper is divided into two parts. In the first one we present a survey about the theory...
In this article we consider a class of quadratic polynomial differential systems in the plane havin...
AbstractThe integrability problem consists in finding the class of functions, a first integral of a ...
Agraïments: The second author has been partially supported by the FCT through CAMGSD, Lisbon
The paper is divided into two parts. In the first one we present a survey about the theory of Darbou...
Abstract. In this paper we are going to apply the invariant theory to give invariant conditions on t...
This paper study the type of integrability of differential systems with separable variables x˙=h(x)f...
AbstractIn this paper we are going to apply the invariant theory to give invariant conditions on the...
In this paper we obtain sufficient conditions for the existence of a local analytic first integral f...
Abstract This is a survey on recent results providing sufficient conditions for the existence of a f...
Agraïments: The second author was supported by Portuguese National Funds through FCT - Fundacâo para...
We consider differential systems obtained by coupling two Euler–Poinsot systems. The motivation to c...
AbstractWe classify all quadratic polynomial differential systems having a polynomial first integral...
In this paper we find necessary and sufficient conditions in order that a planar homogeneous polynom...
For the cubic–linear polynomial planar differential systems with a finite singular point, we classif...
Abstract: The paper is divided into two parts. In the first one we present a survey about the theory...
In this article we consider a class of quadratic polynomial differential systems in the plane havin...
AbstractThe integrability problem consists in finding the class of functions, a first integral of a ...
Agraïments: The second author has been partially supported by the FCT through CAMGSD, Lisbon
The paper is divided into two parts. In the first one we present a survey about the theory of Darbou...
Abstract. In this paper we are going to apply the invariant theory to give invariant conditions on t...
This paper study the type of integrability of differential systems with separable variables x˙=h(x)f...
AbstractIn this paper we are going to apply the invariant theory to give invariant conditions on the...
In this paper we obtain sufficient conditions for the existence of a local analytic first integral f...