Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

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Commun. Korean Math. Soc. 2004; 19(3): 495-506

Printed September 1, 2004

Copyright © The Korean Mathematical Society.

Oscillation theorems of solutions for some differential equations

RakJoong Kim

Hallym University

Abstract

Some oscillation criteria are given for second order nonlinear differential equations by means of integral averaging technique.

Keywords: oscillation, delay equation, half-linear equation

MSC numbers: 34C10, 34C15