On oscillation of differential systems of neutral type
Eva Špániková (2004)
Archivum Mathematicum
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We study oscillatory properties of solutions of the systems of differential equations of neutral type.
Eva Špániková (2004)
Archivum Mathematicum
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We study oscillatory properties of solutions of the systems of differential equations of neutral type.
Qi Gui Yang, Sui-Sun Cheng (2007)
Archivum Mathematicum
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This paper is concerned with a class of even order nonlinear differential equations of the form where is even and . By using the generalized Riccati transformation and the averaging technique, new oscillation criteria are obtained which are either extensions of or complementary to a number of existing results. Our results are more general and sharper than some previous results even for second order equations.
Tiryaki, Aydin (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Yaşar Bolat, Ömer Akin (2005)
Czechoslovak Mathematical Journal
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In this paper we are concerned with the oscillation of solutions of a certain more general higher order nonlinear neutral type functional differential equation with oscillating coefficients. We obtain two sufficient criteria for oscillatory behaviour of its solutions.