On positive solutions of some nonlinear fourth-order beam equations

On the existence of positive solutions of fourth-order ordinary differential equations

Ruyun Ma · Applicable Analysis · 1995 · 196 citations

Natural Sciences, Mathematics, Applied Mathematics +7

On fourth order boundary value problems arising in beam analysis

Ravi P. Agarwal · Differential and Integral Equations · 1989 · 186 citations · Full text

Engineering, Mathematics, Applied Mechanics +16

The Method of Lower and Upper Solutions for Fourth-Order Two-Point Boundary Value Problems

Ruyun Ma, Jihui Zhang, Shengmao Fu · Journal of Mathematical Analysis and Applications · 1997 · 183 citations

Natural Sciences, Computational Engineering, Differential Equations +10

Multiple Positive Solutions of Nonlinear Two-Point Boundary Value Problems

Zhaoli Liu, Fuyi Li · Journal of Mathematical Analysis and Applications · 1996 · 99 citations

Natural Sciences, Mathematics, Differential Equations +10

The Method of Lower and Upper Solutions for a Bending of an Elastic Beam Equation

Zhanbing Bai · Journal of Mathematical Analysis and Applications · 2000 · 85 citations

Engineering, Mathematics, Mechanical Engineering +11