Some spectra properties of unbounded $2\times2$ upper triangular operator matrices

DOI10.1215/20088752-2018-0039OpenAlexW2962974377MaRDI QIDQ2316665

Qingmei Bai, Alatancang Chen, Jun-Jie Huang

Publication date: 6 August 2019

Published in: Annals of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.afa/1565078425

zbMATH Keywords

continuous spectrumresidual spectrumupper triangular operator matrixclosed range spectrummaximal tseng inverse

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Spectrum, resolvent (47A10)

Cites Work

• Continuous spectrum, point spectrum and residual spectrum of operator matrices
• On the right (left) invertible completions for operator matrices
• Classes of linear operators. Vol. II
• Generalized inverses. Theory and applications.
• The residual spectrum and the continuous spectrum of upper triangular operator matrices
• Perturbation of Spectrums of 2 × 2 Operator Matrices
• A note on the spectrum of an upper triangular operator matrix
• Invertible completions of $2\times 2$ upper triangular operator matrices

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