On Subscalarity of Some 2 × 2 M -Hyponormal Operator Matrices

Fei Zuo and Junli Shen

Abstract and Applied Analysis, 2014, vol. 2014, 1-7

Abstract:

We provide some conditions for operator matrices whose diagonal entries are -hyponormal operators to be subscalar. As a consequence, we obtain that Weyl type theorem holds for such operator matrices.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:461567

DOI: 10.1155/2014/461567

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