Release Time:2020-03-02  Hits:

Indexed by: Journal Papers

Date of Publication: 2020-02-15

Journal: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS

Included Journals: SCIE

Volume: 482

Issue: 2

ISSN: 0022-247X

Key Words: C-0(2) operator; Characteristic function; Reducibility

Abstract: In this paper, we give a necessary and sufficient condition for the reducibility of a C-0(2) operator by using its characteristic function. Moreover, we obtain the number of reducing subspaces of a C-0(2) operator. As an application, we will restudy the reducibility of the truncated Toeplitz operator A(z)(2) (C) 2019 Elsevier Inc. All rights reserved.