Abstract

Consider the delay difference equation x n+1−x n+p nx τ(n)=0, 0,1,2,…, where τ : N → Z, τ( n) < n for n ∈ N and lim n→∞ τ( n) = ∞, p n ∈ R. Some existence results of positive solutions and oscillation criteria for this equation are obtained.

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