## Abstract We consider the first order nonlinear neutral delay differential equation equation image and establish a linearized oscillation result of Eq. (1) when __P(t)__ β₯ 1, which answers partially an open problem proposed by GYΓRI and LADAS.
Linearized Oscillations for Differential Equations of Neutral Type
β Scribed by Jianhua Shen
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 321 KB
- Volume
- 176
- Category
- Article
- ISSN
- 0025-584X
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β¦ Synopsis
Consider the nonlinear neutral delay differential equation
with P(t), Q ( t ) continuous, T > 0, a 2 0. We obtain new suflicient conditions for the oscillation of all solutions by an associate linear equation, and thereby establish some new criteria as proposed in an earlier open problem.
') Research is supported by the NNSF of China.
π SIMILAR VOLUMES
Sufficient conditions are established for the oscillations of systems of hyperbolic differential equations of the form 2 d Ε½ . . where β is a bounded domain in R n with a piecewise smooth boundary Ρ¨ β, and β¬ is the Laplacian in Euclidean n-space R n .
In this paper, effective sufficient conditions for the oscillation of all solutions of impulsive neutral delay differential equations of the form are established. Our results reveal the fact that the oscillatory properties of all solutions of Eqs. \* and \* \* may be caused by the impulsive perturb