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Zhu, Senhua; Yang, Yixin; Li, Ran; Lu, Yufeng
Journal of mathematical analysis and applications, 02/2020, Letnik: 482, Številka: 2Journal Article
In this paper, we give a necessary and sufficient condition for the reducibility of a C0(2) operator by using its characteristic function. Moreover, we obtain the number of reducing subspaces of a C0(2) operator. As an application, we will restudy the reducibility of the truncated Toeplitz operator Az2.
