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一类半线性微分方程振动准则的注记

Remark of Oscillation Criteria for a Class of Half-linear Differential Equations
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摘要 本文在-1<p0≤p(t)≤0的情形下研究二阶中立型时滞拟线性微分方程['r(t)x'(t)γ-1x'(t)]+q10(t)y(t-σ)γ-1y(t-σ)+q1(t)y(t-σ1)α-y(t-σ1)+qβ-12(t)y(t-σ2)y(t-σ2)=0.利用H(t,s)型函数和广义Riccati变换及平均技术,建立上述方程的振动准则。在此基础上,修正了一类半线性微分方程振动准则中某些已有结果中的错误。 This thesis intended for the master’s degree uses the functions of the form H( t,s) and the generalized Riccati transformation technique to establish some new oscillation criteria for second- order quasi- linear diffe[rential equations of the form r( t) x’( t)γ- 1x’( t])’+ q0( t) y( t- σ)γ- 1y( t- σ) + q1( t) y( t- σ1)α- 1y( t- σ1) + q2( t) y( t- σ2)β- 1y( t- σ2) = 0 Where- 1 〈 p0≤p( t) ≤0. Some mistakes in existing results are corrected.
作者 康永强
出处 《长春师范大学学报》 2015年第8期1-6,共6页 Journal of Changchun Normal University
关键词 二阶拟线性微分方程 振动性 Riccati变换技巧 H(t s)型函数 中立型 时滞 second-order quasi-linear differential equations oscillation generalized riccati transformation functions of the form H(t,s) neutral delay
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参考文献8

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