AN ESTIMATE FOR DISTANCE BETWEEN ADJACENT ZEROS OF SOLUTIONS OF NEUTRAL DELAY DIFFERENTIAL EQUATIONS

AN ESTIMATE FOR DISTANCE BETWEEN ADJACENT ZEROS OF SOLUTIONS OF NEUTRAL DELAY DIFFERENTIAL EQUATIONS
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DOI:
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发表时间:
1998
期刊:
Acta Mathematicae Applicatae Sinica
影响因子:
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通讯作者:
Y. Zhou;Z. Liu;Y. Yu
Y. Zhou;Z. Liu;Y. Yu
中科院分区:
其他
文献类型:
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作者:
Y. Zhou;Z. Liu;Y. Yu

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考虑中立型时滞微分方程[x(t)+P(t)x(t-γ)]′+Q(t)x(t-σ)=0,其中P(t),Q(t)∈C([t0,∞),R+),γ, σ ∈ R+.本文对上述方程解的相邻零点间的距离作了新的估计.
Consider the neutral differential equation [x(t) + p(t)x(t -γ)]' + Q(t)x(t - σ) = 0,where p(t), Q(t) ∈ C([to, ∞), R+), γ, σ ∈ R+. We establish an estimate for the distance between adjacent zeros of the solutions of the above equation.