Advances in Difference Equations (Jan 2008)
Existence of Positive Solutions for a Class of <inline-formula> <graphic file="1687-1847-2008-845121-i1.gif"/></inline-formula>-Point Boundary Value Problems
Abstract
This paper investigates the existence of positive solutions for a class of second-order singular -point Sturm-Liouville-type boundary value problems by using fixed point theorem in cones. The results significantly extend and improve many known results even for nonsingular cases.