Unitary part of a contraction

DOI10.1016/j.jmaa.2010.01.040zbMath1192.47009OpenAlexW2020876415MaRDI QIDQ961069

Pei Yuan Wu, Hwa-Long Gau

Publication date: 29 March 2010

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2010.01.040

zbMATH Keywords

contraction\(\mathcal S_n\)-operatorcompletely nonunitary partnorm-one indexunitary part

Mathematics Subject Classification ID

(Semi-) Fredholm operators; index theories (47A53) Canonical models for contractions and nonselfadjoint linear operators (47A45)

Related Items (4)

The defect sequence for contractive tuples ⋮ Defect indices of powers of a contraction ⋮ Characterization of Cesàro andL-asymptotic limits of matrices ⋮ A note on the unitary part of a contraction

Cites Work

• Unnamed Item
• Finite Blaschke products of contractions
• Lucas' theorem refined^∗

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