SPECTRAL AREA ESTIMATES FOR NORMS OF COMMUTATORS

descriptionPublicationkeyboard_double_arrow_right Article 30 Jul 2007 Japan English Publisher:The Korean Mathematical SocietyJournal:Journal of the Korean Mathematical Society, volume 44, pages 855-861 (issn: 0304-9914,

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Authors: Cho, Muneo; Nakazi, Takahiko;

doi: 10.4134/jkms.2007.44.4.855

handle: 2115/69579

SPECTRAL AREA ESTIMATES FOR NORMS OF COMMUTATORS

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Abstract

Let A and B be commuting bounded linear operators on a Hilbert space. In this paper, we study spectral area estimates for norms of A∗B −BA∗ when A is subnormal or p-hyponormal.

Country

Japan

Related Organizations

Hokkaido University
Japan
Hokkaido Bunkyo University
Japan

Keywords

p-hyponormal, subnormal, Putnam inequality, 410

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