The Noncommutative Singer–Wermer Conjecture and ϕ-Derivations

@article{Bresar2002TheNS,
  title={The Noncommutative Singer–Wermer Conjecture and ϕ-Derivations},
  author={M. Bresar and A. Villena},
  journal={Journal of The London Mathematical Society-second Series},
  year={2002},
  volume={66},
  pages={710-720}
}
  • M. Bresar, A. Villena
  • Published 2002
  • Mathematics
  • Journal of The London Mathematical Society-second Series
The question of when a $\phi$ -derivation on a Banach algebra has quasinilpotent values, and how this question is related to the noncommutative Singer–Wermer conjecture, is discussed. 
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References

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Derivations on Banach algebras
Lie Derivations on Banach Algebras
Banach algebras and automatic continuity
Dales, Banach algebras and automatic continuity, London Mathematical Society Monographs (Oxford
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