Pairs of Function Spaces and Exponential Dichotomy on the Real Line

We provide a complete diagram of the relation between the admissibility of pairs of Banach function spaces and the exponential dichotomy of evolution families on the real line. We prove that if W∈ℋ(ℝ) and V∈𝒯(ℝ) are two Banach funct...

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Main Author: Adina Luminiţa Sasu
Format: Article
Language:English
Published: SpringerOpen 2010-01-01
Series:Advances in Difference Equations
Online Access:http://dx.doi.org/10.1155/2010/347670
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spelling doaj-f03dda308de74aacab2550e686f37dc72020-11-25T00:09:24ZengSpringerOpenAdvances in Difference Equations1687-18391687-18472010-01-01201010.1155/2010/347670Pairs of Function Spaces and Exponential Dichotomy on the Real LineAdina Luminiţa SasuWe provide a complete diagram of the relation between the admissibility of pairs of Banach function spaces and the exponential dichotomy of evolution families on the real line. We prove that if W∈ℋ(ℝ) and V∈𝒯(ℝ) are two Banach function spaces with the property that either W∈𝒲(ℝ) or V∈𝒱(ℝ), then the admissibility of the pair (W(ℝ,X),V(ℝ,X)) implies the existence of the exponential dichotomy. We study when the converse implication holds and show that the hypotheses on the underlying function spaces cannot be dropped and that the obtained results are the most general in this topic. Finally, our results are applied to the study of exponential dichotomy of C0-semigroups. http://dx.doi.org/10.1155/2010/347670
collection DOAJ
language English
format Article
sources DOAJ
author Adina Luminiţa Sasu
spellingShingle Adina Luminiţa Sasu
Pairs of Function Spaces and Exponential Dichotomy on the Real Line
Advances in Difference Equations
author_facet Adina Luminiţa Sasu
author_sort Adina Luminiţa Sasu
title Pairs of Function Spaces and Exponential Dichotomy on the Real Line
title_short Pairs of Function Spaces and Exponential Dichotomy on the Real Line
title_full Pairs of Function Spaces and Exponential Dichotomy on the Real Line
title_fullStr Pairs of Function Spaces and Exponential Dichotomy on the Real Line
title_full_unstemmed Pairs of Function Spaces and Exponential Dichotomy on the Real Line
title_sort pairs of function spaces and exponential dichotomy on the real line
publisher SpringerOpen
series Advances in Difference Equations
issn 1687-1839
1687-1847
publishDate 2010-01-01
description We provide a complete diagram of the relation between the admissibility of pairs of Banach function spaces and the exponential dichotomy of evolution families on the real line. We prove that if W∈ℋ(ℝ) and V∈𝒯(ℝ) are two Banach function spaces with the property that either W∈𝒲(ℝ) or V∈𝒱(ℝ), then the admissibility of the pair (W(ℝ,X),V(ℝ,X)) implies the existence of the exponential dichotomy. We study when the converse implication holds and show that the hypotheses on the underlying function spaces cannot be dropped and that the obtained results are the most general in this topic. Finally, our results are applied to the study of exponential dichotomy of C0-semigroups.
url http://dx.doi.org/10.1155/2010/347670
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