Oscillation and Nonoscillation in Delay or Advanced Differential Equations and in Integrodifferential Equations

Some new oscillation and nonoscillation criteria are given for linear delay or advanced differential equations with variable coefficients and not (necessarily) constant delays or advanced arguments. Moreover, some new results on the existence and the nonexistence of positive solutions for linear int...

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Bibliographic Details
Published in:Georgian mathematical journal 1999, Vol.6, p.263-284
Main Authors: Kordonis, I.-G. E., Philos, Ch. G.
Format: Article
Language:English
Subjects:
advanced differential equation
delay differential equation
integrodifferential equation
nonoscillation
Oscillation
positive solution
Online Access:Get full text
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Description
Summary:Some new oscillation and nonoscillation criteria are given for linear delay or advanced differential equations with variable coefficients and not (necessarily) constant delays or advanced arguments. Moreover, some new results on the existence and the nonexistence of positive solutions for linear integrodifferential equations are obtained.
ISSN:1072-947X
1072-9176
DOI:10.1515/GMJ.1999.263