Affiliation:
1. Department of Mathematics, Chungnam National University, Taejon 305-764, Korea
2. Department of Applied Mathematics, Ocean University of Qingdao, Qingdao 266003, China
Abstract
We first obtain sufficiency conditions for the oscillation of all solutions of linear partial difference equationaAm+1,n+1+bAm+1,n+cAm,n+1−dAm,n+Pm,nAm−k,n−1=0. Next, we establish a linearized oscillation result for the nonlinear partial difference equationAm+1,n+1+Am+1,n+Am,n+1−Am,n+Pm,n f(Am−k,n−l)=0.
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