On the Riesz Almost Convergent Sequences Space

The purpose of this paper is to introduce new spaces 𝑓 and 𝑓0 that consist of all sequences whose Riesz transforms of order one are in the spaces 𝑓 and 𝑓0, respectively. We also show that 𝑓 and 𝑓0 are linearly isomorphic to the spaces 𝑓 and 𝑓0, respectively. The 𝛽- and 𝛾-duals of the spaces 𝑓 a...

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Main Authors: Mehmet Şengönül, Kuddusi Kayaduman
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2012/691694
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author Mehmet Şengönül
Kuddusi Kayaduman
author_facet Mehmet Şengönül
Kuddusi Kayaduman
author_sort Mehmet Şengönül
collection DOAJ
description The purpose of this paper is to introduce new spaces 𝑓 and 𝑓0 that consist of all sequences whose Riesz transforms of order one are in the spaces 𝑓 and 𝑓0, respectively. We also show that 𝑓 and 𝑓0 are linearly isomorphic to the spaces 𝑓 and 𝑓0, respectively. The 𝛽- and 𝛾-duals of the spaces 𝑓 and 𝑓0 are computed. Furthermore, the classes (𝑓∶𝜇) and (𝜇∶𝑓) of infinite matrices are characterized for any given sequence space 𝜇 and determine the necessary and sufficient conditions on a matrix 𝐴 to satisfy 𝐵𝑅−core(𝐴𝑥)⊆𝐾−core(𝑥), 𝐵𝑅−core(𝐴𝑥)⊆𝑠𝑡−core(𝑥) for all 𝑥∈ℓ∞.
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institution Kabale University
issn 1085-3375
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language English
publishDate 2012-01-01
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series Abstract and Applied Analysis
spelling doaj-art-d7228b2d787e4545a99000427ec683cd2025-02-03T07:24:20ZengWileyAbstract and Applied Analysis1085-33751687-04092012-01-01201210.1155/2012/691694691694On the Riesz Almost Convergent Sequences SpaceMehmet Şengönül0Kuddusi Kayaduman1Faculty of Science and Letters, Nevşehir University, 50300 Nevşehir, TurkeyFaculty of Arts and Sciences, University of Gaziantep, 27310 Gaziantep, TurkeyThe purpose of this paper is to introduce new spaces 𝑓 and 𝑓0 that consist of all sequences whose Riesz transforms of order one are in the spaces 𝑓 and 𝑓0, respectively. We also show that 𝑓 and 𝑓0 are linearly isomorphic to the spaces 𝑓 and 𝑓0, respectively. The 𝛽- and 𝛾-duals of the spaces 𝑓 and 𝑓0 are computed. Furthermore, the classes (𝑓∶𝜇) and (𝜇∶𝑓) of infinite matrices are characterized for any given sequence space 𝜇 and determine the necessary and sufficient conditions on a matrix 𝐴 to satisfy 𝐵𝑅−core(𝐴𝑥)⊆𝐾−core(𝑥), 𝐵𝑅−core(𝐴𝑥)⊆𝑠𝑡−core(𝑥) for all 𝑥∈ℓ∞.http://dx.doi.org/10.1155/2012/691694
spellingShingle Mehmet Şengönül
Kuddusi Kayaduman
On the Riesz Almost Convergent Sequences Space
Abstract and Applied Analysis
title On the Riesz Almost Convergent Sequences Space
title_full On the Riesz Almost Convergent Sequences Space
title_fullStr On the Riesz Almost Convergent Sequences Space
title_full_unstemmed On the Riesz Almost Convergent Sequences Space
title_short On the Riesz Almost Convergent Sequences Space
title_sort on the riesz almost convergent sequences space
url http://dx.doi.org/10.1155/2012/691694
work_keys_str_mv AT mehmetsengonul ontherieszalmostconvergentsequencesspace
AT kuddusikayaduman ontherieszalmostconvergentsequencesspace