On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations

For a system of linear functional differential equations, we consider a three-point problem with nonseparated boundary conditions determined by singular matrices. We show that, to investigate such a problem, it is often useful to reduce it to a parametric family of two-point boundary value problems...

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Main Authors: A. Rontó, M. Rontó
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2011/326052
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author A. Rontó
M. Rontó
author_facet A. Rontó
M. Rontó
author_sort A. Rontó
collection DOAJ
description For a system of linear functional differential equations, we consider a three-point problem with nonseparated boundary conditions determined by singular matrices. We show that, to investigate such a problem, it is often useful to reduce it to a parametric family of two-point boundary value problems for a suitably perturbed differential system. The auxiliary parametrised two-point problems are then studied by a method based upon a special kind of successive approximations constructed explicitly, whereas the values of the parameters that correspond to solutions of the original problem are found from certain numerical determining equations. We prove the uniform convergence of the approximations and establish some properties of the limit and determining functions.
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series Abstract and Applied Analysis
spelling doaj-art-5a76438d0a03452aaf8fcf6d4013ff9a2025-02-03T01:04:45ZengWileyAbstract and Applied Analysis1085-33751687-04092011-01-01201110.1155/2011/326052326052On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential EquationsA. Rontó0M. Rontó1Institute of Mathematics, Academy of Sciences of the Czech Republic, 22 Žižkova St., 61662 Brno, Czech RepublicDepartment of Analysis, University of Miskolc, 3515 Miskolc-Egyetemváros, HungaryFor a system of linear functional differential equations, we consider a three-point problem with nonseparated boundary conditions determined by singular matrices. We show that, to investigate such a problem, it is often useful to reduce it to a parametric family of two-point boundary value problems for a suitably perturbed differential system. The auxiliary parametrised two-point problems are then studied by a method based upon a special kind of successive approximations constructed explicitly, whereas the values of the parameters that correspond to solutions of the original problem are found from certain numerical determining equations. We prove the uniform convergence of the approximations and establish some properties of the limit and determining functions.http://dx.doi.org/10.1155/2011/326052
spellingShingle A. Rontó
M. Rontó
On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations
Abstract and Applied Analysis
title On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations
title_full On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations
title_fullStr On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations
title_full_unstemmed On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations
title_short On Nonseparated Three-Point Boundary Value Problems for Linear Functional Differential Equations
title_sort on nonseparated three point boundary value problems for linear functional differential equations
url http://dx.doi.org/10.1155/2011/326052
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