Oscillation of Neutral Differential Equations with "Integrally Small" Coefficients
Received:September 13, 2000  
Key Word: differential equation   delay   neutral   oscillation.  
Fund ProjectL:Supported by NNSFC, RFDP and Yunnan Edu. Project
Author NameAffiliation
ZHANG Xiao-sheng Dept. of Math.
Captial Normal University
Beijing
China 
WANG Duo Dept. of Math.
Poking University
China 
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Abstract:
      Sufficient conditions for the oscillation of the neutral equation d/(dt)[x(t) - R(t)x(t - r)] + P(t)x(t - τ) - Q(t)x(t - δ) = 0,where P,Q,R ∈ C([t0,∞), R+), and r,τ, δ ∈ (0,∞), are obtained for the case where former results can not be applied.
Citation:
DOI:10.3770/j.issn:1000-341X.2002.04.011
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