摘要:This paper is motivated by Rachnkovab and Tisdell (2006) and Anderson et al. (2007). New sufficient conditions for the existence of at least one solution of the generalized Neumann boundary value problems for second order nonlinear difference equations ∇Δ𝑥(𝑘)=𝑓(𝑘,𝑥(𝑘),𝑥(𝑘