SPECTRA OF ASYMPTOTICALLY QUASISIMILAR SUBDECOMPOSABLE OPERATORS

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Published: May 15, 2009
DOI: https://doi.org/10.14403/jcms.2009.22.2.271
Keywords:
algebraic spectral subspace, analytic spectral subspace, subdecomposable operator
Mathematics Subject Classification (2020):
Primary 47A11, Secondary 47B40

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Jong-Kwang Yoo
Hyuk Han

Abstract





In this paper, we prove that asymptotically quasisimilar subdecomposable operators have equal spectra and quasisimilar decomposable operators have equal spectra. Moreover, every subscalar operator is admissible.





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Article Details

Issue
Vol. 22 No. 2 (2009)
Section
Articles