Periodic Solutions for Some Systems of Delay Differential Equations

• Autores: Jaume Llibre , Alexandrina-Alina Tarta
• Localización: Journal of dynamics and differential equations, ISSN 1040-7294, Vol. 19, Nº. 1, 2007, págs. 199-213
• Idioma: inglés
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• Resumen

  • In this paper, we give sufficient conditions for the existence of periodic orbits of some systems of delay differential equations with a unique delay having 3, 4 or n equations. Moreover, we provide examples of delay systems satisfying the different sets of sufficient conditions.