Supported by National Natural Science Foundation of China (Grant No. 10771081)
In this paper, .we find a bridge connecting a class of vector fields in R3 with the planar vector fields and give a criterion of the existence of closed orbits, heteroclinic orbits and.homoclinic orbits of a class of ...
supported by the National Natural Science Foundation of China (No.10701037, No.10871080 and No.10771081)
In this paper, a bridge between near-homogeneous and homogeneous vector fields in R 3 is found. By the relationship between homogeneous vector fields and the induced tangent vector fields of two-dimensional manifold S...