一类三阶两点边值问题正解的存在性

摘要

研究了一类三阶两点边值问题，利用不动点定理得出了该边值问题在不同条件下正解的存在性。%In this paper, by using the fixed-point theorem of cone expansion-compression type due to Krasoselskil, we obtain the existence of positive solution to some nonlinear singular third-order two-point boundary value problems