POSITIVE SOLUTIONS TO SINGULAR SECOND ORDER PERIODIC BOUNDARY VALUE PROBLEM WITH SIGN-CHANGING NONLINEARITIES

• 来源期刊: 微分方程年刊（英文版）
• 关键词: singular boundary value problem fixed point index positive solution
• 年，卷（期）: 2009,（2）
• 页码范围: 239-248
• 页数: 10页
• 语种: 英文

摘要

This paper deals with the existence of positive solutions to the singular second-order periodic boundary value problem, We obtain the existence results of positive solutions by the fixed point index theory. The results obtained extend and complement some known results.