Oscillation theorems for certain second order perturbed nonlinear difference equations
Oscillation Criteria of Second-Order Quasi-Linear Neutral Delay Difference Equations
2000 Mathematics Subject Classification: 39A10. The oscillatory and nonoscillatory behaviour of solutions of the second order quasi linear neutral delay difference equation Δ(an | Δ(xn+pnxn-τ)|α-1 Δ(xn+pnxn-τ) + qnf(xn-σ)g(Δxn) = 0 where n ∈ N(n0), α > 0, τ, σ are fixed non negative integers, {an}, {pn}, {qn} are real sequences and f and g real valued continuous functions are studied. Our results generalize and improve some known results of neutral delay difference equations.
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