Spectral integration and spectral theory for non-Archimedean Banach spaces

Banach algebras over arbitrary complete non-Archimedean fields are considered such that operators may be nonanalytic. There are different types of Banach spaces over non-Archimedean fields. We have determined the spectrum of some closed commutative subalgebras of the Banach algebra ℒ(E) of the conti...

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Main Authors: S. Ludkovsky, B. Diarra
Format: Article
Language:English
Published: Wiley 2002-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/S016117120201150X
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author S. Ludkovsky
B. Diarra
author_facet S. Ludkovsky
B. Diarra
author_sort S. Ludkovsky
collection DOAJ
description Banach algebras over arbitrary complete non-Archimedean fields are considered such that operators may be nonanalytic. There are different types of Banach spaces over non-Archimedean fields. We have determined the spectrum of some closed commutative subalgebras of the Banach algebra ℒ(E) of the continuous linear operators on a free Banach space E generated by projectors. We investigate the spectral integration of non-Archimedean Banach algebras. We define a spectral measure and prove several properties. We prove the non-Archimedean analog of Stone theorem. It also contains the case of C-algebras C∞(X,𝕂). We prove a particular case of a representation of a C-algebra with the help of a L(Aˆ,μ,𝕂)-projection-valued measure. We consider spectral theorems for operators and families of commuting linear continuous operators on the non-Archimedean Banach space.
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spelling doaj-art-52c4ffb37af84b62b3da9e990f6f974b2025-02-03T01:32:33ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252002-01-0131742144210.1155/S016117120201150XSpectral integration and spectral theory for non-Archimedean Banach spacesS. Ludkovsky0B. Diarra1Theoretical Department, Institute of General Physics, 38, Vavilov Street, Moscow 119991, RussiaLaboratoire de Mathématiques Pures, Complexe Scientifique des Cézeaux, Aubière 63 177 , FranceBanach algebras over arbitrary complete non-Archimedean fields are considered such that operators may be nonanalytic. There are different types of Banach spaces over non-Archimedean fields. We have determined the spectrum of some closed commutative subalgebras of the Banach algebra ℒ(E) of the continuous linear operators on a free Banach space E generated by projectors. We investigate the spectral integration of non-Archimedean Banach algebras. We define a spectral measure and prove several properties. We prove the non-Archimedean analog of Stone theorem. It also contains the case of C-algebras C∞(X,𝕂). We prove a particular case of a representation of a C-algebra with the help of a L(Aˆ,μ,𝕂)-projection-valued measure. We consider spectral theorems for operators and families of commuting linear continuous operators on the non-Archimedean Banach space.http://dx.doi.org/10.1155/S016117120201150X
spellingShingle S. Ludkovsky
B. Diarra
Spectral integration and spectral theory for non-Archimedean Banach spaces
International Journal of Mathematics and Mathematical Sciences
title Spectral integration and spectral theory for non-Archimedean Banach spaces
title_full Spectral integration and spectral theory for non-Archimedean Banach spaces
title_fullStr Spectral integration and spectral theory for non-Archimedean Banach spaces
title_full_unstemmed Spectral integration and spectral theory for non-Archimedean Banach spaces
title_short Spectral integration and spectral theory for non-Archimedean Banach spaces
title_sort spectral integration and spectral theory for non archimedean banach spaces
url http://dx.doi.org/10.1155/S016117120201150X
work_keys_str_mv AT sludkovsky spectralintegrationandspectraltheoryfornonarchimedeanbanachspaces
AT bdiarra spectralintegrationandspectraltheoryfornonarchimedeanbanachspaces