Oscillation of higher-order delay differential equations of neutral type.
Li, Wei Nian (2000)
Georgian Mathematical Journal
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Li, Wei Nian (2000)
Georgian Mathematical Journal
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Sheng Li Xie, Sui Sun Cheng (1995)
Annales Polonici Mathematici
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This paper establishes oscillation theorems for a class of functional parabolic equations which arises from logistic population models with delays and diffusion.
Grammatikopoulos, M.K., Koplatadze, R. (2000)
Georgian Mathematical Journal
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Witold A. J. Kosmala (1994)
Annales Polonici Mathematici
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We state and prove two oscillation results which deal with bounded solutions of a forced higher order differential equation. One proof involves the use of a nonlinear functional.
Petrova, Zornitza (2008)
Novi Sad Journal of Mathematics
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Agarwal, Ravi P., Grace, S.R. (2000)
Georgian Mathematical Journal
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Li, Qiaoluan, Guo, Fang (2009)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Koplatadze, R., Kvinikadze, G. (1994)
Georgian Mathematical Journal
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D. Bainov, M. Dimitrova (1996)
Applicationes Mathematicae
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Effective sufficient conditions for oscillation and nonoscillation of solutions of some operator-differential equations with piecewise constant argument are found.
Guang Zhang, Sui Cheng (1999)
Applicationes Mathematicae
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A nonlinear difference equation involving the maximum function is studied. We derive sufficient conditions in order that eventually positive or eventually negative solutions tend to zero or to positive or negative infinity.
Kitamura, Yuichi, Kusano, Takaši, Lalli, B.S. (1995)
Georgian Mathematical Journal
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Agarwal, Ravi P., Grace, Said R., O'Regan, Donal (2004)
Georgian Mathematical Journal
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Lomtatidze, A. (1997)
Georgian Mathematical Journal
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