Abstract
We present criteria for unital elementary operators (of small length) on unital semisimple Banach algebras to be spectral isometries. The surjective ones among them turn out to be algebra automorphisms.
Original language | English |
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Pages (from-to) | 33–49 |
Journal | Studia Mathematica |
Volume | 236 |
Early online date | 07 Sept 2016 |
DOIs | |
Publication status | Published - 2017 |
Keywords
- Spectral isometries, elementary operators, Jordan isomorphisms.