Oscillation Theorems for Second-Order Damped Nonlinear Differential Equations

We present new oscillation criteria for the differential equation of the form [ ( ) ( )]+ ( ) 2( ( ), ( ))| ( )| ( )+ ( ) ( ( 1( )), ( 2( ))) ( ( ))=0, where ( )= 1( ( ), ( ))| ( )| −1 ( ), ≤ , =( − )/( +1). Our research is different from most known ones in the sense that H function is not e...

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Auteurs principaux:	Hui-Zeng Qin, Yongsheng Ren
Format:	Artigo
Langue:	Inglês
Publié:	Wiley 2009-01-01
Collection:	International Journal of Differential Equations
Accès en ligne:	http://dx.doi.org/10.1155/2009/714357
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