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Periodic Boundary Value Problems for Second-Order Functional Differential Equations
Authors
Fu Xiangling
Wang Weibing
Publication date
1 January 2010
Publisher
SpringerOpen
Abstract
This note considers a periodic boundary value problem for a second-order functional differential equation. We extend the concept of lower and upper solutions and obtain the existence of extreme solutions by using upper and lower solution method.</p
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Last time updated on 17/12/2014