Existence theory for single and multiple solutions to singular positone boundary value problems for the delay one-dimensional p-Laplacian
Daqing Jiang, Xiaojie Xu, Donal O’Regan, Ravi P. Agarwal · Annales Polonici Mathematici · 2003
The existence of single and multiple nonnegative solutions for singular positone boundary value problems to the delay one-dimensional $p$-Laplacian is discussed. Throughout our nonlinearity $f(\cdot ,y)$ may be singular at $y=0.$