Oscillation of second-order nonlinear differential equations with damping term.
Elabbasy, E.M., Elhaddad, W.W. (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Elabbasy, E.M., Elhaddad, W.W. (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Wang, Qi-Ru (2003)
Georgian Mathematical Journal
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Saker, S.H. (2003)
Portugaliae Mathematica. Nova Série
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Saker, S.H., Manojlović, J.V. (2004)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Remili, M. (2010)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Qin, Hui-Zeng, Ren, Yongsheng (2009)
International Journal of Differential Equations
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Ján Regenda (1984)
Czechoslovak Mathematical Journal
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Zhang, Siyu, Meng, Fanwei (2010)
International Journal of Differential Equations
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N. Parhi, P. Praharaj (1999)
Annales Polonici Mathematici
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Some results concerning oscillation of second order self-adjoint matrix differential equations are obtained. These may be regarded as a generalization of results for the corresponding scalar equations.
Cheng, Jin-Fa, Chu, Yu-Ming (2009)
Journal of Inequalities and Applications [electronic only]
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Satoshi Tanaka (2000)
Annales Polonici Mathematici
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Neutral differential equations are studied. Sufficient conditions are obtained to have oscillatory solutions or nonoscillatory solutions. For the existence of solutions, the Schauder-Tikhonov fixed point theorem is used.