Existence of positive periodic solutions for two types of second-order nonlinear neutral differential equations with variable delay
In this article we study the existence of positive periodic solutions for two types of second-order nonlinear neutral differential equation with variable delay. The main tool employed here is the Krasnosel-skii's fixedpoint theoremdealing withasum of twomappings, one is a contraction and the ot...
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| Auteurs principaux: | , |
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| Langue: | English |
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Universidad Católica del Norte, Departamento de Matemáticas
2013
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| Accès en ligne: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172013000400006 |
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