On the essential minimum modulus of linear operators in Banach spaces

DOI10.14232/ACTASM-014-538-8zbMath1389.47048OpenAlexW2397817224MaRDI QIDQ5350174

Haïkel Skhiri

Publication date: 25 August 2017

Published in: Acta Scientiarum Mathematicarum (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.14232/actasm-014-538-8

zbMATH Keywords

Banach spaceessential spectrumindexminimum modulusCalkin algebrasemi-Fredholmsurjectivity modulusessential minimum modulus

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Isometric theory of Banach spaces (46B04)

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