An optimal condition for the uniqueness of a periodic solution for linear functional differential systems.
Mukhigulashvili, S., Grytsay, I. (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Displaying similar documents to “On a periodic boundary value problem for second-order linear functional differential equations.”
An optimal condition for the uniqueness of a periodic solution for linear functional differential systems.
On periodic solutions of higher-order functional differential equations.
Kiguradze, I., Partsvania, N., Půža, B. (2008)
Boundary Value Problems [electronic only]
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Periodic BVP with -Laplacian and impulses
Vladimír Polášek (2005)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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The paper deals with the impulsive boundary value problem The method of lower and upper solutions is directly applied to obtain the results for this problems whose right-hand sides either fulfil conditions of the sign type or satisfy one-sided growth conditions.
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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On the existence of one-signed periodic solutions of some differential equations of second order
Jan Ligęza (2006)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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We study the existence of one-signed periodic solutions of the equations where , is continuous and 1-periodic, is a continuous and 1-periodic in the first variable and may take values of different signs. The Krasnosielski fixed point theorem on cone is used.