On the compactness and the essential norm of operators defined by infinite tridiagonal matrices
In this article, all sequences u{\boldsymbol{u}}, v{\boldsymbol{v}}, and w{\boldsymbol{w}} that define continuous and compact tridiagonal operators Tu,v,w{T}_{u,v,w} acting on the weighted sequence space lβ2{l}_{\beta }^{2} were characterized. Additionally, the essential norm of this operator, and a...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
De Gruyter
2023-05-01
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Series: | Concrete Operators |
Subjects: | |
Online Access: | https://doi.org/10.1515/conop-2022-0143 |