Existence of solutions for some higher order boundary value problems

In this paper, we are concerned with the existence of solutions for the higher order boundary value problem in the formu(2 m + 2) (x) = f (x, u (x), u″ (x), ..., u(2 m) (x)), x ∈ (0, 1),u(2 i) (0) = u(2 i) (1) = 0, 0 ≤ i ≤ m, where m is a given positive integer and f : [0, 1] × Rm + 1 → R is continu...

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Bibliographic Details
Main Authors: Charkrit S., Kananthai A.
Format: Article
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-33846625267&partnerID=40&md5=8dc9544e4bf347577cfe4204b6fd0466
http://cmuir.cmu.ac.th/handle/6653943832/5257
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Institution: Chiang Mai University
Language: English
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Summary:In this paper, we are concerned with the existence of solutions for the higher order boundary value problem in the formu(2 m + 2) (x) = f (x, u (x), u″ (x), ..., u(2 m) (x)), x ∈ (0, 1),u(2 i) (0) = u(2 i) (1) = 0, 0 ≤ i ≤ m, where m is a given positive integer and f : [0, 1] × Rm + 1 → R is continuous. We introduce a new maximum principle of higher order equations and develop a monotone method in the presence of lower and upper solutions for this problem. © 2006 Elsevier Inc. All rights reserved.