摘要
主要研究一类三阶两点边值问题变号解的存在性和多重性,利用不动点指数和拓扑度理论等得到了新的结论.
We show existence results for multiple sign-changing solution for third-order twopoint boundary value problems by using the fixed point index and the topologic degree theory.
出处
《数学的实践与认识》
CSCD
北大核心
2008年第23期207-214,共8页
Mathematics in Practice and Theory
关键词
不动点指数
拓扑度
三阶两点边值问题
变号解
fixed point index
topologic degree
third-order two-point boundary value problems
sign-changing solution