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Some results on Fredholmness and boundedness below of an upper triangular operator matrix

  • Published:2015-05 Issue:2 Volume:425 Page:1071-1082
  • ISSN:0022-247X
  • Container-title:Journal of Mathematical Analysis and Applications
  • language:en
  • Short-container-title:Journal of Mathematical Analysis and Applications

Author:

Cvetković-Ilić Dragana S.,Hai Guojun,Chen Alatancang

Funder

Ministry of Science, Technology and Development

NSF of China

Publisher

Elsevier BV

Subject

Applied Mathematics,Analysis

Reference16 articles.

1. Semi-Fredholm spectrum and Weyl's theorem for operator matrices;Cao;Acta Math. Sinica,2006

2. Essential approximate point spectrum and Weyl's theorem for operator matrices;Cao;J. Math. Anal. Appl.,2005

3. The point, residual and continuous spectrum of an upper triangular operator matrix;Cvetković-Ilić;Linear Algebra Appl.,2014

4. D.S. Cvetković-Ilić, Completion of operator matrices to the invertibility and regularity, submitted for publication.

5. Perturbation of spectrums of 2×2 operator matrices;Du;Proc. Amer. Math. Soc.,1994

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2. Solvability and different solutions of the operator equation $$XAX=BX$$;Annals of Functional Analysis;2022-11-09

3. A NOTE ON OPERATORS CONSISTENT IN INVERTIBILITY;Facta Universitatis, Series: Mathematics and Informatics;2019-10-04

4. Fredholmness of a linear combination of operators;Journal of Mathematical Analysis and Applications;2018-02

5. Fredholm consistence of upper-triangular operator matrices;Journal of Spectral Theory;2017-12-08
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