Translation Invariant Spaces and Asymptotic Properties of Variational Equations

We present a new perspective concerning the study of the asymptotic behavior of variational equations by employing function spaces techniques. We give a complete description of the dichotomous behaviors of the most general case of skew-product flows, without any assumption concerning the flow, the...

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Main Authors: Adina Luminiţa Sasu, Bogdan Sasu
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2011/539026
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author Adina Luminiţa Sasu
Bogdan Sasu
author_facet Adina Luminiţa Sasu
Bogdan Sasu
author_sort Adina Luminiţa Sasu
collection DOAJ
description We present a new perspective concerning the study of the asymptotic behavior of variational equations by employing function spaces techniques. We give a complete description of the dichotomous behaviors of the most general case of skew-product flows, without any assumption concerning the flow, the cocycle or the splitting of the state space, our study being based only on the solvability of some associated control systems between certain function spaces. The main results do not only point out new necessary and sufficient conditions for the existence of uniform and exponential dichotomy of skew-product flows, but also provide a clear chart of the connections between the classes of translation invariant function spaces that play the role of the input or output classes with respect to certain control systems. Finally, we emphasize the significance of each underlying hypothesis by illustrative examples and present several interesting applications.
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spelling doaj-art-6fff14911891481a85022c23c1f3bbd92025-02-03T01:06:44ZengWileyAbstract and Applied Analysis1085-33751687-04092011-01-01201110.1155/2011/539026539026Translation Invariant Spaces and Asymptotic Properties of Variational EquationsAdina Luminiţa Sasu0Bogdan Sasu1Department of Mathematics, Faculty of Mathematics and Computer Science, West University of Timişoara, V. Pârvan Boulelvard 4, 300223 Timişoara, RomaniaDepartment of Mathematics, Faculty of Mathematics and Computer Science, West University of Timişoara, V. Pârvan Boulelvard 4, 300223 Timişoara, RomaniaWe present a new perspective concerning the study of the asymptotic behavior of variational equations by employing function spaces techniques. We give a complete description of the dichotomous behaviors of the most general case of skew-product flows, without any assumption concerning the flow, the cocycle or the splitting of the state space, our study being based only on the solvability of some associated control systems between certain function spaces. The main results do not only point out new necessary and sufficient conditions for the existence of uniform and exponential dichotomy of skew-product flows, but also provide a clear chart of the connections between the classes of translation invariant function spaces that play the role of the input or output classes with respect to certain control systems. Finally, we emphasize the significance of each underlying hypothesis by illustrative examples and present several interesting applications.http://dx.doi.org/10.1155/2011/539026
spellingShingle Adina Luminiţa Sasu
Bogdan Sasu
Translation Invariant Spaces and Asymptotic Properties of Variational Equations
Abstract and Applied Analysis
title Translation Invariant Spaces and Asymptotic Properties of Variational Equations
title_full Translation Invariant Spaces and Asymptotic Properties of Variational Equations
title_fullStr Translation Invariant Spaces and Asymptotic Properties of Variational Equations
title_full_unstemmed Translation Invariant Spaces and Asymptotic Properties of Variational Equations
title_short Translation Invariant Spaces and Asymptotic Properties of Variational Equations
title_sort translation invariant spaces and asymptotic properties of variational equations
url http://dx.doi.org/10.1155/2011/539026
work_keys_str_mv AT adinaluminitasasu translationinvariantspacesandasymptoticpropertiesofvariationalequations
AT bogdansasu translationinvariantspacesandasymptoticpropertiesofvariationalequations