We study the existence of zero-convergent solutions for the second-order nonlinear difference equation , where , , is a positive real sequence for , and is a positive continuous function on , . The effects of singular nonlinearities and of the forcing term are treated as well.
"Positive solutions for singular discrete boundary value problems." Abstr. Appl. Anal. 2004 (4) 271 - 283, 27 April 2004. https://doi.org/10.1155/S1085337504306068