Agraïments: The second author is partially supported by a FAPESP-BRAZIL grant 2007/06896-5. Both authors are supported by the joint project CAPES-MEC grant PHB2009-0025-PC.We provide sufficient conditions for the existence of periodic solutions of the fourth-order differential equation u'''' + qu'' − u = εF(u, u', u'', u'''), where q and ε are real parameters, ε is small and F is a nonlinear function
An existence theorem is proven to investigate sufficient conditions of a nontrivial solution, for a ...
We give criteria for the asymptotic stability and boundedness of solutions to the nonlinear fourth-o...
The consideration of the eigenvalue approach and a comparison between thelinear and nonlinear fourth...
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Coordenação de Aperfeiçoamento de Pesso...
We provide sufficient conditions for the existence of periodic solutions of the fourth-order differe...
AbstractUsing inequality techniques and coincidence degree theory, new results are provided concerni...
the periodic solutions of certain fourth and fifth order vector differential equation
AbstractWe study the existence of periodic solutions for a nonlinear fourth order ordinary different...
AbstractThe authors consider the fourth-order difference equation,Δ2(rn−2Δ2xn−2)+f(n,xn)=0,n∈Z,where...
AbstractIn this paper, we study the existence of periodic solutions for a fourth-order p-Laplacian d...
AbstractA multiplicity result of existence of periodic solutions with prescribed wavelength for a cl...
(Communicated by Asadollah Aghajani) Abstract. In this paper the periodic solutions of fourth order ...
We study the existence and multiplicity of positive periodic solutions to the nonlinear differential...
In this paper we present sufficient conditions for the existence of periodic solutions to some nonl...
Abstract. The purpose of this paper is to prove the existence of a solution of the following periodi...
An existence theorem is proven to investigate sufficient conditions of a nontrivial solution, for a ...
We give criteria for the asymptotic stability and boundedness of solutions to the nonlinear fourth-o...
The consideration of the eigenvalue approach and a comparison between thelinear and nonlinear fourth...
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Coordenação de Aperfeiçoamento de Pesso...
We provide sufficient conditions for the existence of periodic solutions of the fourth-order differe...
AbstractUsing inequality techniques and coincidence degree theory, new results are provided concerni...
the periodic solutions of certain fourth and fifth order vector differential equation
AbstractWe study the existence of periodic solutions for a nonlinear fourth order ordinary different...
AbstractThe authors consider the fourth-order difference equation,Δ2(rn−2Δ2xn−2)+f(n,xn)=0,n∈Z,where...
AbstractIn this paper, we study the existence of periodic solutions for a fourth-order p-Laplacian d...
AbstractA multiplicity result of existence of periodic solutions with prescribed wavelength for a cl...
(Communicated by Asadollah Aghajani) Abstract. In this paper the periodic solutions of fourth order ...
We study the existence and multiplicity of positive periodic solutions to the nonlinear differential...
In this paper we present sufficient conditions for the existence of periodic solutions to some nonl...
Abstract. The purpose of this paper is to prove the existence of a solution of the following periodi...
An existence theorem is proven to investigate sufficient conditions of a nontrivial solution, for a ...
We give criteria for the asymptotic stability and boundedness of solutions to the nonlinear fourth-o...
The consideration of the eigenvalue approach and a comparison between thelinear and nonlinear fourth...