scholarly journals The Distribution of Zeros of Solutions of First-Order Delay Differential Equations

1994 ◽  
Vol 186 (2) ◽  
pp. 383-392 ◽  
Author(s):  
F.X. Liang
Keyword(s):  
Differential Equations ◽  
Delay Differential Equations ◽  
Distribution Of Zeros ◽  
First Order ◽  
Zeros Of Solutions ◽  
Delay Differential

scholarly journals The distribution of zeros of solutions of first order functional differential equations

1999 ◽  
Vol 59 (2) ◽  
pp. 305-314 ◽  
Author(s):  
Yong Zhou
Keyword(s):  
Differential Equation ◽  
Differential Equations ◽  
Delay Differential Equation ◽  
Functional Differential Equations ◽  
Distribution Of Zeros ◽  
First Order ◽  
Zeros Of Solutions ◽  
Functional Differential ◽  
Image Position ◽  
Delay Differential

In this paper, we establish some estimates for the distance between adjacent zeros of the solutions of the first order delay differential equationand the first order advanced differential equationwhere P ∈ C([t0, ∞), [0, ∞)) and τ ∈ R+. Our results improve recent results in the literature.

scholarly journals Some Further Results on Oscillations for Neutral Delay Differential Equations with Variable Coefficients

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Fatima N. Ahmed ◽  
Rokiah Rozita Ahmad ◽  
Ummul Khair Salma Din ◽  
Mohd Salmi Md Noorani
Keyword(s):  
Differential Equations ◽  
Delay Differential Equations ◽  
Variable Coefficients ◽  
Oscillatory Behaviour ◽  
Neutral Delay ◽  
Neutral Equations ◽  
First Order ◽  
All Solutions ◽  
Neutral Delay Differential Equations ◽  
Delay Differential

We study the oscillatory behaviour of all solutions of first-order neutral equations with variable coefficients. The obtained results extend and improve some of the well-known results in the literature. Some examples are given to show the evidence of our new results.

scholarly journals First Order Nonlinear Neutral Delay Differential Equations

2004 ◽  
Vol 1 (2) ◽  
pp. 347-349 ◽  
Author(s):  
Baghdad Science Journal
Keyword(s):  
Asymptotic Behavior ◽  
Differential Equations ◽  
Delay Differential Equations ◽  
Neutral Delay ◽  
Nonoscillatory Solutions ◽  
Neutral Differential Equations ◽  
First Order ◽  
Neutral Delay Differential Equations ◽  
Delay Differential

The author obtain results on the asymptotic behavior of the nonoscillatory solutions of first order nonlinear neutral differential equations. Keywords. Neutral differential equations, Oscillatory and Nonoscillatory solutions.

scholarly journals Oscillation of Nonlinear First Order Neutral Differential Equations

2007 ◽  
Vol 4 (3) ◽  
pp. 485-490
Author(s):  
Baghdad Science Journal
Keyword(s):  
Differential Equations ◽  
Delay Differential Equations ◽  
Integral Conditions ◽  
Neutral Delay ◽  
Neutral Differential Equations ◽  
First Order ◽  
All Solutions ◽  
Neutral Delay Differential Equations ◽  
Delay Differential

In this paper, the author established some new integral conditions for the oscillation of all solutions of nonlinear first order neutral delay differential equations. Examples are inserted to illustrate the results.

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