a Department of Mathematics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China b Department of Mathematics, Qufu Normal University, Qufu, Shandong 273165, People's Republic of China
Abstract:
This paper is concerned with an operator equation on half-line. Some theorems for the existence of its positive solutions are obtained by using the Krasnosel'skii-Guo theorem on cone expansion and compression in a special function space.