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doi:10.1016/j.aml.2005.04.011    
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Copyright © 2005 Elsevier Ltd All rights reserved.

Linearized oscillation in a nonautonomous scalar delay differential equation

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Mihály PitukCorresponding Author Contact Information, E-mail The Corresponding Author

Department of Mathematics and Computing, University of Veszprém, P. O. Box 158, 8201 Veszprém, Hungary


Received 4 March 2005; 
accepted 12 April 2005. 
Available online 27 July 2005.

Abstract

A new linearized oscillation criterion is established for a nonautonomous scalar delay differential equation. The assumptions include a weak recurrence property of a partial derivative of the nonlinearity. The importance of the recurrence assumption is shown by an example.

Keywords: Delay differential equation; Oscillation; Linearization; Weakly recurrent function

MSC: 34K11

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Corresponding Author Contact InformationTel.: +36 88 423239; fax: +36 88 421693.

 
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