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不稳定型中立型差分方程有界解的振动性 被引量:1

Bounded Oscillation for Neutral Delay Difference Equations with Unstable Type
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摘要 讨论二阶不稳定型中立型差分方程Δ2(Xn-PnXn-σ)=(n∈N+,0≤Pn<1,0<N≤Qn≤M;σ,τi为正整数;αi为两正奇数的商,且αi=1)有界解的振动性,获得了该方程有界解振动的充分条件,推广了前人相关的研究结果. Bounded Oscillation for second order neutral delay difference equation △^2(Xn-PnXn-1)=m∏i=1Xn-τi^ai was discussed, where n∈N+,(0≤Pn〈1,0〈N≤Qn≤M;σ,τi are positive integer; ai is the quotient of two positive odds, and m∑i=1ai=1. Also, a sufficient condition was obtained for the bounded oscillation of this equation.
出处 《湖南农业大学学报(自然科学版)》 CAS CSCD 北大核心 2006年第1期89-91,共3页 Journal of Hunan Agricultural University(Natural Sciences)
基金 湖南省教育厅项目(05C309) 湖南农业大学基础科学研究基金(04JC03)
关键词 中立型差分方程 不稳定型 振动 neutral delay difference equation unstable type oscillation
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参考文献11

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二级参考文献1

  • 1Chen M P,Computer Math Appl,1995年,29卷,3期,5页

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