Multiple solutions of some fourth-order boundary value problems

作者：Han Guodong^*; Li Fuyi

来源：Nonlinear Analysis-Theory Methods & Applications, 2007, 66(11): 2591-2603.

DOI：10.1016/j.na.2006.03.042

• boundary value problems
• critical points
• cone
• supersolution and subsolution

For some fourth-order boundary value problems, several new existence theorems on multiple positive, negative and sign-changing solutions are obtained. The critical point theory and the supersolution and subsolution method are employed to discuss this problem.

• 出版日期2007-6-1
• 单位西安交通大学; 山西大学