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- Title
具阻尼项的二阶Emden-Fowler型泛函差分方程的振动准则.
- Authors
杨甲山
- Abstract
This paper is concerned with oscillations of second-order variable delay Em- den-Fowler damped difference equations of the form Δ[Anφ(Δyn)]+Bnφ(Δyn)+Qnf(Φ(xσn))=0(n≥n0) where yn=xn+Png(xτn),φ(u)=|u|λ-1u,Φ(u)=|u|β-1u(这里λ〉0,β〉0 are constants). By using the generalized Riccati transformation, averaging technique and mathematical analytic methods, some new oscillation criteria for the equations are proposed. Finally, some illustrating examples have also been provided to show the importance of these results
- Subjects
OSCILLATIONS; DIFFERENCE equations; RICCATI equation; MATHEMATICAL variables; AVERAGING method (Differential equations); MATHEMATICAL models
- Publication
Journal of Central China Normal University, 2017, Vol 51, Issue 6, p723
- ISSN
1000-1190
- Publication type
Article
- DOI
10.19603/j.cnki.1000-1190.2017.06.001