A Toeplitz-like operator with rational matrix symbol having poles on the unit circle: Fredholm characteristics

DOI10.1016/j.laa.2023.09.028MaRDI QIDQ6565839

Gilbert J. Groenewald, André C. M. Ran, Sanne ter Horst, J. Jaftha

Publication date: 2 July 2024

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

zbMATH Keywords

unbounded operatorsToeplitz operatorsToeplitz kernelsrational matrix functionsFredholm characteristics

Mathematics Subject Classification ID

Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35) Factorization theory (including Wiener-Hopf and spectral factorizations) of linear operators (47A68) (Semi-) Fredholm operators; index theories (47A53)

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