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

Fei Zuo and Junli Shen

Abstract and Applied Analysis, 2014, vol. 2014, issue 1

Abstract: We provide some conditions for 2 × 2 operator matrices whose diagonal entries are M‐hyponormal operators to be subscalar. As a consequence, we obtain that Weyl type theorem holds for such operator matrices.

Date: 2014
References: Add references at CitEc
Citations:

Downloads: (external link)
https://doi.org/10.1155/2014/461567

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlaaa:v:2014:y:2014:i:1:n:461567

Access Statistics for this article

More articles in Abstract and Applied Analysis from John Wiley & Sons
Bibliographic data for series maintained by Wiley Content Delivery ().