New oscillation criteria for second-order neutral delay differential equations with positive and negative coefficients.
Bai, Yuzhen, Liu, Lihua (2010)
Abstract and Applied Analysis
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Bai, Yuzhen, Liu, Lihua (2010)
Abstract and Applied Analysis
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Dix, J.G., Misra, N., Padhy, L.N., Rath, R.N. (2008)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Jozef Džurina, Viktor Pirč (2005)
Mathematica Bohemica
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The aim of this paper is to present new oscillatory criteria for the second order neutral differential equation with mixed argument The results include also sufficient conditions for bounded and unbounded oscillation of the equations considered.
Ünal, M., Zafer, A. (2010)
Advances in Difference Equations [electronic only]
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Zheng, Zhaowen, Cheng, Sui Sun (2007)
Applied Mathematics E-Notes [electronic only]
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Bao Tong Cui (1992)
Commentationes Mathematicae Universitatis Carolinae
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The oscillation of the solutions of linear parabolic differential equations with deviating arguments are studied and sufficient conditions that all solutions of boundary value problems are oscillatory in a cylindrical domain are given.