Sharp inequalities for periodic functions.

Li, Jing-wen; Wang, Gen-qiang

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Periodic solutions for a neutral functional differential equation with multiple variable lags

Cheng-Jun Guo, Gen Qiang Wang, Sui-Sun Cheng (2006)

Archivum Mathematicum

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By means of the Krasnoselskii fixed piont theorem, periodic solutions are found for a neutral type delay differential system of the form $x^{'} (t) + c x^{'} (t - τ) = A (t, x (t)) x (t) + f (t, x (t - r_{1} (t)), \dots, x (t - r_{k} (t))) .$

An improved existence and uniqueness criterion for periodic solutions of a Duffing type p-Laplacian equation.

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Periodic solutions for some partial functional differential equations.

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Journal of Applied Mathematics and Stochastic Analysis

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Existence of triple positive periodic solutions of a functional differential equation depending on a parameter.

Liu, Xi-Lan, Zhang, Guang, Cheng, Sui Sun (2004)

Abstract and Applied Analysis

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Periodic solutions of a high order equation with deviating arguments.

Lin, Wen-Xian (2004)

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Properties of solutions of some linear class of integrodifferential equations of Volterra type.

Morchało, Jarosław (1992)

Publications de l'Institut Mathématique. Nouvelle Série

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On existence of positive periodic solutions of a kind of Rayleigh equation with a deviating argument

Yinggao Zhou, Min Wu (2010)

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The existence of positive periodic solutions for a kind of Rayleigh equation with a deviating argument $x^{''} (t) + f (x^{'} (t)) + g (t, x (t - τ (t))) = p (t)$ is studied. Using the coincidence degree theory, some sufficient conditions on the existence of positive periodic solutions are obtained.

On periodic solutions of higher-order functional differential equations.

Kiguradze, I., Partsvania, N., Půža, B. (2008)

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On existence of periodic solutions of the Rayleigh equation of retarded type.

Wang, Genqiang, Yan, Jurang (2000)

International Journal of Mathematics and Mathematical Sciences

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Positive periodic solutions of nonautonomous functional differential equations depending on a parameter.

Zhang, Guang, Cheng, Sui Sun (2002)

Abstract and Applied Analysis

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