Spectral isometries on non-simple C*-algebras

Martin Mathieu, Ahmed R. Sourour

Research output: Contribution to journalArticle

4 Citations (Scopus)
165 Downloads (Pure)

Abstract

We prove that unital surjective spectral isometries on certain non-simple unital C*-algebras are Jordan isomorphisms. Along the way, we establish several general facts in the setting of semisimple Banach algebras.
Original languageEnglish
Pages (from-to)129-145
Number of pages16
JournalProceedings of the American Mathematical Society
Volume142
Issue number1
Early online date27 Aug 2013
DOIs
Publication statusPublished - Jan 2014

Keywords

  • Spectral isometries, spectrally bounded operators, Jordan isomorphisms
  • C*-algebras.

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