Approximate Birkhoff–James orthogonality and smoothness in the space of bounded linear operators
We study approximate Birkhoff–James orthogonality of bounded linear operators defined between normed linear spaces X and Y . As an application of the results obtained, we characterize smoothness of a bounded linear operator T under the condition that K ( X , Y ) , the space of compact linear operato...
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Published in | Monatshefte für Mathematik Vol. 190; no. 3; pp. 549 - 558 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Vienna
Springer Vienna
01.11.2019
Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | We study approximate Birkhoff–James orthogonality of bounded linear operators defined between normed linear spaces
X
and
Y
.
As an application of the results obtained, we characterize smoothness of a bounded linear operator
T
under the condition that
K
(
X
,
Y
)
,
the space of compact linear operators is an
M
-ideal in
L
(
X
,
Y
)
,
the space of bounded linear operators. |
---|---|
ISSN: | 0026-9255 1436-5081 |
DOI: | 10.1007/s00605-019-01289-3 |