General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications

The paper presents general existence principles which can be used for a large class of nonlocal boundary value problems of the form (φ(x′))′=f1(t,x,x′)+f2(t,x,x′)F1x+f3(t,x,x′)F2x,α(x)=0, β(x)=0, where fj satisfy local Carathéodory conditions on some [0,T]×𝒟j⊂ℝ2, fj are either regular or...

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Main Authors: Ravi P. Agarwal, Donal O'Regan, Svatoslav Stanek
Format: Article
Language:English
Published: Wiley 2006-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/AAA/2006/96826
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author Ravi P. Agarwal
Donal O'Regan
Svatoslav Stanek
author_facet Ravi P. Agarwal
Donal O'Regan
Svatoslav Stanek
author_sort Ravi P. Agarwal
collection DOAJ
description The paper presents general existence principles which can be used for a large class of nonlocal boundary value problems of the form (φ(x′))′=f1(t,x,x′)+f2(t,x,x′)F1x+f3(t,x,x′)F2x,α(x)=0, β(x)=0, where fj satisfy local Carathéodory conditions on some [0,T]×𝒟j⊂ℝ2, fj are either regular or have singularities in their phase variables (j=1,2,3), Fi:C1[0,T]→C0[0,T](i=1,2), and α,β:C1[0,T]→ℝ are continuous. The proofs are based on the Leray-Schauder degree theory and use regularization and sequential techniques. Applications of general existence principles to singular BVPs are given.
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institution Kabale University
issn 1085-3375
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spelling doaj-art-6abe1c905f8e44b48c786e735faac8eb2025-02-03T01:02:47ZengWileyAbstract and Applied Analysis1085-33751687-04092006-01-01200610.1155/AAA/2006/9682696826General existence principles for nonlocal boundary value problems with φ-Laplacian and their applicationsRavi P. Agarwal0Donal O'Regan1Svatoslav Stanek2Department of Mathematical Sciences, Florida Institute of Technology, Melbourne, Florida 32901-6975, USADepartment of Mathematics, National University of Ireland, Galway, IrelandDepartment of Mathematical Analysis, Faculty of Science, Palacký University, Tomkova 40, Olomouc 779 00, Czech RepublicThe paper presents general existence principles which can be used for a large class of nonlocal boundary value problems of the form (φ(x′))′=f1(t,x,x′)+f2(t,x,x′)F1x+f3(t,x,x′)F2x,α(x)=0, β(x)=0, where fj satisfy local Carathéodory conditions on some [0,T]×𝒟j⊂ℝ2, fj are either regular or have singularities in their phase variables (j=1,2,3), Fi:C1[0,T]→C0[0,T](i=1,2), and α,β:C1[0,T]→ℝ are continuous. The proofs are based on the Leray-Schauder degree theory and use regularization and sequential techniques. Applications of general existence principles to singular BVPs are given.http://dx.doi.org/10.1155/AAA/2006/96826
spellingShingle Ravi P. Agarwal
Donal O'Regan
Svatoslav Stanek
General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications
Abstract and Applied Analysis
title General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications
title_full General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications
title_fullStr General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications
title_full_unstemmed General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications
title_short General existence principles for nonlocal boundary value problems with φ-Laplacian and their applications
title_sort general existence principles for nonlocal boundary value problems with φ laplacian and their applications
url http://dx.doi.org/10.1155/AAA/2006/96826
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AT donaloregan generalexistenceprinciplesfornonlocalboundaryvalueproblemswithphlaplacianandtheirapplications
AT svatoslavstanek generalexistenceprinciplesfornonlocalboundaryvalueproblemswithphlaplacianandtheirapplications