Norm Estimates for Solutions of Polynomial Operator Equations

We consider the equations ∑k=0mcm-kAkXBk=C and ∑k=0mcm-kAkXBm-k=C, where ck∈C  (k=1,…,m), c0=1, A,B,C are given linear bounded operators in a Banach space and X is to be found. Representations of solutions are derived. In the cases of Euclidean and Hilbert spaces, norm estimates for the solutions ar...

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Main Author: Michael Gil’
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Mathematics
Online Access:http://dx.doi.org/10.1155/2015/524829
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author Michael Gil’
author_facet Michael Gil’
author_sort Michael Gil’
collection DOAJ
description We consider the equations ∑k=0mcm-kAkXBk=C and ∑k=0mcm-kAkXBm-k=C, where ck∈C  (k=1,…,m), c0=1, A,B,C are given linear bounded operators in a Banach space and X is to be found. Representations of solutions are derived. In the cases of Euclidean and Hilbert spaces, norm estimates for the solutions are suggested.
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institution Kabale University
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publishDate 2015-01-01
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series Journal of Mathematics
spelling doaj-art-236125aff16f4aca8caab8a2d4f6d4312025-02-03T07:24:50ZengWileyJournal of Mathematics2314-46292314-47852015-01-01201510.1155/2015/524829524829Norm Estimates for Solutions of Polynomial Operator EquationsMichael Gil’0Department of Mathematics, Ben Gurion University of the Negev, P.O. Box 653, 84105 Beer-Sheva, IsraelWe consider the equations ∑k=0mcm-kAkXBk=C and ∑k=0mcm-kAkXBm-k=C, where ck∈C  (k=1,…,m), c0=1, A,B,C are given linear bounded operators in a Banach space and X is to be found. Representations of solutions are derived. In the cases of Euclidean and Hilbert spaces, norm estimates for the solutions are suggested.http://dx.doi.org/10.1155/2015/524829
spellingShingle Michael Gil’
Norm Estimates for Solutions of Polynomial Operator Equations
Journal of Mathematics
title Norm Estimates for Solutions of Polynomial Operator Equations
title_full Norm Estimates for Solutions of Polynomial Operator Equations
title_fullStr Norm Estimates for Solutions of Polynomial Operator Equations
title_full_unstemmed Norm Estimates for Solutions of Polynomial Operator Equations
title_short Norm Estimates for Solutions of Polynomial Operator Equations
title_sort norm estimates for solutions of polynomial operator equations
url http://dx.doi.org/10.1155/2015/524829
work_keys_str_mv AT michaelgil normestimatesforsolutionsofpolynomialoperatorequations