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Hyponormality of bounded-type Toeplitz operators

2014.08.04 09:25

실적년도	2014년
논문구분	국외
총저자	Ra´ul E. Curto, In Sung Hwang and Woo Young Lee
학술지명	Math. Nach.
권(Vol.)	287
호(No.)
게재년월	2014년 7월
Impact Factor	0.658(jcr2013)
SCI 등재	SCI
비고

•실적년도 : 2014
•논문구분 : 국외
•총 저자 : Ra´ul E. Curto, In Sung Hwang and Woo Young Lee
•학술지명 : Math. Nach.
•권(Vol.) : 287
•게재년월 : 2014년 7월
•IF : 0.658(jcr2013)
•SCI 등재 : SCI
•국제공동연구 논문여부 : X
•In this paper we deal with the hyponormality of Toeplitz operators with matrixvalued symbols. The aim of this paper is to provide a tractable criterion for the hyponormality of bounded-type Toeplitz operators TΦ (i.e., the symbol Φ ∈ L ∞ Mn is a matrix-valued function such that Φ and Φ∗ are of bounded type). In particular, we get a much simpler criterion for the hyponormality of TΦ when the co-analytic part of the symbol Φ is a left divisor of the analytic part.

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Toeplitz operators, Hardy spaces, matrix-valued symbols, functions of bounded type, 이 게시물을

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