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w-Hyponormal Operators have Scalar Extensions

✍ Scribed by Eungil Ko


Publisher
SP Birkhäuser Verlag Basel
Year
2005
Tongue
English
Weight
184 KB
Volume
53
Category
Article
ISSN
0378-620X

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In this paper, we study some properties of ( √ SH ), i.e., square roots of semihyponormal operators. In particular we show that an operator T ∈ ( √ SH ) has a scalar extension, i.e., is similar to the restriction to an invariant subspace of a (generalized) scalar operator (in the sense of Colojoarȃ-

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