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More on -Normal Operators in Hilbert Spaces
Author(s) -
Rasoul Eskandari,
F. Mirzapour,
Ali Morassaei
Publication year - 2012
Publication title -
abstract and applied analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.228
H-Index - 56
eISSN - 1687-0409
pISSN - 1085-3375
DOI - 10.1155/2012/204031
Subject(s) - mathematics , operator norm , hilbert space , compact operator on hilbert space , operator theory , finite rank operator , linear operators , nuclear operator , norm (philosophy) , operator space , compact operator , bounded function , approximation property , pure mathematics , bounded operator , unbounded operator , quasinormal operator , banach space , algebra over a field , mathematical analysis , computer science , law , political science , extension (predicate logic) , programming language
We study some properties of (,)-normal operators and we present various inequalities between the operator norm and the numerical radius of (,)-normal operators on Banach algebra ℬ(ℋ) of all bounded linear operators ∶ℋ→ℋ, where ℋ is Hilbert space

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