通过构造一个特殊的算子,利用锥拉伸和锥压缩不动点理论,研究了Banach空间中一类奇异脉冲微分方程边值问题的正解及多重正解的存在性.
Using the fixed point theorem on cones, some results are obtained on the existence of at least one and multiple positive solutions for nonlinear singular impulsive boundary value problems in Banach space.