Bulletin of the
Korean Mathematical Society
BKMS

ISSN(Print) 1015-8634 ISSN(Online) 2234-3016

Article

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Bull. Korean Math. Soc. 2002; 39(1): 33-41

Printed March 1, 2002

Copyright © The Korean Mathematical Society.

On positive-normal operators

In Ho Jeon, Se Hee Kim, Eungil Ko, and Ji Eun Park

Ewha Women's University, Ewha Women's University, Ewha Women's University, Ewha Women's University

Abstract

In this paper we study the properties of positive-normal operators and show that Weyl's theorem holds for some totally positive-normal operators.

Keywords: positive-normal operators, Weyl's theorem

MSC numbers: 47A53, 47A10