Additive maps preserving semi-Fredholm operators with bounded ascent on $\mathcal B(\mathcal X)$

DOI10.5486/PMD.2020.8427zbMath1463.47117MaRDI QIDQ5126091

Weijuan Shi, Guo Xing Ji

Publication date: 2 October 2020

Published in: Publicationes Mathematicae Debrecen (Search for Journal in Brave)

zbMATH Keywords

semi-Fredholm operatorsascentadditive mapadditive preserver

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53) Linear operators on Banach algebras (47B48)

Related Items (2)

Nonlinear maps preserving semi-Fredholm operators with bounded nullity ⋮ Some spectral domain in approximate point-spectrum-preserving maps on \(\mathcal{B}(\mathcal{X})\)

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