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On the instability of solutions of some fifth order nonlinear delay differential equations |
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PP: 112-121 |
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Author(s) |
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Cemil Tunc,
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Abstract |
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| In this paper, by using the Lyapunov-Krasovskii functional approach, we study a kind
of fifth order delay differential equations and obtain some new sufficient conditions
for the instability of the zero solution of the equations considered. By this work, we
improve some instability results obtained in the literature for a fifth order nonlinear
differential equation without delay to the instability of solutions of certain fifth order
nonlinear differential equations with delay. |
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