Abstract In this paper we study the period function of centers for a class of reversible systems and give a criteria to determine the monotonicity of the period functions
AbstractPeriodic solutions in a class of Hamiltonian systems with one degree of freedom containing t...
AbstractQuadratic perturbations of a class of quadratic reversible systems are studied. The associat...
AbstractIn the present paper we study the period function of centers of potential systems. We obtain...
Abstract. The present paper deals with the period function of the quadratic centers. In the literatu...
AbstractWe study the period functionTof a centerOof a Liénard system. A sufficient condition for the...
9 pagesThe purpose of this paper is to study various monotonicity conditions of the period function ...
AbstractIn this paper, we study planar differential systems possessing a center at the origin. We in...
AbstractWe study the period function T of a center O of the title's equation. A sufficient condition...
AbstractThis paper is concerned with the monotonicity of the period function for families of quadrat...
AbstractIn this paper we discuss bifurcation of critical periods in an m-th degree time-reversible s...
We study the problem of bifurcation of critical periods of a time-reversible polynomial system of de...
AbstractConsider a family of planar systems x˙=X(x,ε) having a center at the origin and assume that ...
We are interested in the optimality of monotonicity criteria for the period function of some planar ...
AbstractThis paper studies the period function of the class of Hamiltonian systems x=−Hy, y=Hx where...
In this note, motivated by the recent results of Wang et al. [Wang et al., Local bifurcations of cri...
AbstractPeriodic solutions in a class of Hamiltonian systems with one degree of freedom containing t...
AbstractQuadratic perturbations of a class of quadratic reversible systems are studied. The associat...
AbstractIn the present paper we study the period function of centers of potential systems. We obtain...
Abstract. The present paper deals with the period function of the quadratic centers. In the literatu...
AbstractWe study the period functionTof a centerOof a Liénard system. A sufficient condition for the...
9 pagesThe purpose of this paper is to study various monotonicity conditions of the period function ...
AbstractIn this paper, we study planar differential systems possessing a center at the origin. We in...
AbstractWe study the period function T of a center O of the title's equation. A sufficient condition...
AbstractThis paper is concerned with the monotonicity of the period function for families of quadrat...
AbstractIn this paper we discuss bifurcation of critical periods in an m-th degree time-reversible s...
We study the problem of bifurcation of critical periods of a time-reversible polynomial system of de...
AbstractConsider a family of planar systems x˙=X(x,ε) having a center at the origin and assume that ...
We are interested in the optimality of monotonicity criteria for the period function of some planar ...
AbstractThis paper studies the period function of the class of Hamiltonian systems x=−Hy, y=Hx where...
In this note, motivated by the recent results of Wang et al. [Wang et al., Local bifurcations of cri...
AbstractPeriodic solutions in a class of Hamiltonian systems with one degree of freedom containing t...
AbstractQuadratic perturbations of a class of quadratic reversible systems are studied. The associat...
AbstractIn the present paper we study the period function of centers of potential systems. We obtain...