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Title: Eventually positive elements in ordered Banach algebras (English)
Author: Herzog, Gerd
Author: Kunstmann, Peer C.
Language: English
Journal: Commentationes Mathematicae Universitatis Carolinae
ISSN: 0010-2628 (print)
ISSN: 1213-7243 (online)
Volume: 64
Issue: 3
Year: 2023
Pages: 321-330
Summary lang: English
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Category: math
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Summary: In ordered Banach algebras, we introduce eventually and asymptotically positive elements. We give conditions for the following spectral properties: the spectral radius belongs to the spectrum (Perron--Frobenius property); the spectral radius is the only element in the peripheral spectrum; there are positive (approximate) eigenvectors for the spectral radius. Recently such types of results have been shown for operators on Banach lattices. Our results can be viewed as a complement, since our structural assumptions on the ordered Banach algebra are much weaker. (English)
Keyword: ordered Banach algebra
Keyword: eventually positive element
Keyword: spectral property
Keyword: Perron--Frobenius property
MSC: 46B40
MSC: 46H05
DOI: 10.14712/1213-7243.2023.030
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Date available: 2024-03-18T10:42:01Z
Last updated: 2024-03-18
Stable URL: http://hdl.handle.net/10338.dmlcz/152301
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