具次线性中立项的二阶广义Emden-Fowler时滞微分方程的振动准则

Abstract

Abstract:

In this paper, we study the oscillation of second order generalized Emden-Fowler delay differential equations with a sub-linear neutral term. Under the irregularity condition, by using Riccati transformation and the inequalities technique, several simple new oscillation criteria of this kind of equations to ensure that every solution oscillates are established. These oscillation criteria generalize and improve the classical research results including those adapted to Euler equations established in previous literatures. Finally, some examples to verify the wide application of these oscillation criteria are given in this paper.

Key words: Emden-Fowler equation, Euler equation, Second order, Delay differential equation, Sub-linear neutral term, Oscillation criterion, Riccati transformation

CLC Number:

O175

Zhiyu Zhang. Oscillation Criteria of Second-Order Generalized Emden-Fowler Delay Differential Equations with a Sub-Linear Neutral Term[J].Acta mathematica scientia,Series A, 2021, 41(3): 811-826.

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Oscillation Criteria of Second-Order Generalized Emden-Fowler Delay Differential Equations with a Sub-Linear Neutral Term

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