We establish new existence results for multiple positive solutions of fourth-order nonlinear
equations which model deflections of an elastic beam. We consider the widely studied …

In this paper, the authors consider the nonlinear fourth order ordinary differential equation
[Formula: see text] with the boundary conditions [Formula: see text] Some results on the …

In this paper, we study the existence of multiple solutions for impulsive fourth-order
differential equations of Kirchhoff type. Using a variational method and some critical points …

This paper is concerned with the existence of monotone positive solutions for an elastic
beam equation with a corner. The boundary conditions mean that the beam is embedded at …

In this paper, we focus on the existence of positive solutions for nonlinear fourth-order
Neumann boundary value problem where k 1 and k 2 are constants, λ> 0 is the bifurcation …

In this paper, the existence of positive solutions for a nonlinear fourth-order two-point
boundary value problem with integral condition is investigated. By using Krasnoselskii's …

We consider a boundary-value problem for the beam equation, in which the boundary
conditions mean that the beam is embedded at one end and fastened with a sliding clamp at …

POSITIVE SOLUTIONS OF A NONLINEAR FOURTH ORDER BOUNDARY VALUE PROBLEM
1. Introduction In this paper, we consider the fourth orde Page 1 POSITIVE SOLUTIONS OF A …

The paper is devoted to the study of second order differential equations and systems with
nonlinear three point boundary conditions. The existence of solutions is proved using fixed …

We consider the nonlinear fourth order beam equation uiv= f (t, u, u′′), with boundary
conditions corresponding to the periodic or the hinged beam problem. In presence of upper …