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자연과학대학
수학전공
Journal papers
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On rank one perturbations of the unilateral shift
Title
On rank one perturbations of the unilateral shift
Authors
Ko E.
;
Lee J.E.
Ewha Authors
고응일
;
이지은
SCOPUS Author ID
고응일
; 이지은
Issue Date
2011
Journal Title
Communications of the Korean Mathematical Society
ISSN
1225-1763
Citation
Communications of the Korean Mathematical Society vol. 26, no. 1, pp. 79 - 88
Indexed
SCOPUS; KCI
Document Type
Article
Abstract
In this paper we study some properties of rank one perturbations of the unilateral shift operators T = S+u⊗v. In particular, we give some criteria for eigenvalues of T. Also we characterize some conditions for T to be hyponormal. © 2011 The Korean Mathematical Society.
DOI
10.4134/CKMS.2011.26.1.079
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