Author/Authors :
Yang Yang، نويسنده , , Jihui Zhang، نويسنده ,
Abstract :
In this paper, we prove some new existence results concerning nontrivial solutions to some fourth order boundary value problems u(4)(t)+ηu″(t)−ξu(t)=f(t,u(t))u(4)(t)+ηu″(t)−ξu(t)=f(t,u(t)), 0
Keywords :
Boundary value problem , critical group , critical point , Morse theory , variational methods
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications