AbstractIn this paper, a planar system reduced from a neuronic equation is investigated. By using the qualitative analysis method of ordinary differential equations, we obtain conditions for the existence of a unique limit cycle surrounding a singular point and one or two limit cycles simultaneously surrounding three singular points
AbstractSufficient conditions are obtained for the permanence of the following single species discre...
AbstractIn this paper, we consider the elliptic system of two equations in H1(RN)×H1(RN):−Δu+a(x)u=2...
AbstractIn this work, we consider an elliptic system of two equations in dimension one (with Neumann...
AbstractIn this paper, sufficient conditions are obtained for the existence of a unique periodic sol...
Abstract In this paper we provide an existence result of periodic solutions to planar systems having...
AbstractAn existence theorem is obtained for periodic solutions of nonautonomous second order Hamilt...
AbstractThe existence and multiplicity of positive solutions are established to periodic boundary va...
AbstractIn this paper, we study a 2D dissipative Klein–Gordon equation with periodic boundary condit...
Agraïments: The first author is partially supported by the grant UNAB13-4E-1604 and from the recruit...
AbstractThis paper deals with the existence and stability of periodic pyramidal traveling fronts for...
AbstractIn this paper, we consider the following periodic problem: x″(t)=g(t,x(t),x′(t)),a.e. t∈(a,b...
AbstractIn this paper we study the number of limit cycles appearing in Hopf bifurcations of piecewis...
AbstractIn this paper, by using the fixed point theory, we study the existence and uniqueness of ini...
The present paper deals with the nonlinear systems of differential equations of Volterra type regard...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
AbstractSufficient conditions are obtained for the permanence of the following single species discre...
AbstractIn this paper, we consider the elliptic system of two equations in H1(RN)×H1(RN):−Δu+a(x)u=2...
AbstractIn this work, we consider an elliptic system of two equations in dimension one (with Neumann...
AbstractIn this paper, sufficient conditions are obtained for the existence of a unique periodic sol...
Abstract In this paper we provide an existence result of periodic solutions to planar systems having...
AbstractAn existence theorem is obtained for periodic solutions of nonautonomous second order Hamilt...
AbstractThe existence and multiplicity of positive solutions are established to periodic boundary va...
AbstractIn this paper, we study a 2D dissipative Klein–Gordon equation with periodic boundary condit...
Agraïments: The first author is partially supported by the grant UNAB13-4E-1604 and from the recruit...
AbstractThis paper deals with the existence and stability of periodic pyramidal traveling fronts for...
AbstractIn this paper, we consider the following periodic problem: x″(t)=g(t,x(t),x′(t)),a.e. t∈(a,b...
AbstractIn this paper we study the number of limit cycles appearing in Hopf bifurcations of piecewis...
AbstractIn this paper, by using the fixed point theory, we study the existence and uniqueness of ini...
The present paper deals with the nonlinear systems of differential equations of Volterra type regard...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
AbstractSufficient conditions are obtained for the permanence of the following single species discre...
AbstractIn this paper, we consider the elliptic system of two equations in H1(RN)×H1(RN):−Δu+a(x)u=2...
AbstractIn this work, we consider an elliptic system of two equations in dimension one (with Neumann...
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