English

Complete orthogonality preservers between C$^*$-algebras

Operator Algebras 2024-02-02 v1

Abstract

We introduce nn-orthogonality (and completely orthogonality) preserving operators between C^*-algebras. Our main theorem states that every completely orthogonality preserving bounded linear mapping between C^*-algebras is a weighted TRO homomorphism. We also give several characterisations of TRO homomorphisms among triple homomorphisms.

Keywords

Cite

@article{arxiv.2402.00503,
  title  = {Complete orthogonality preservers between C$^*$-algebras},
  author = {Jorge J. Garcés},
  journal= {arXiv preprint arXiv:2402.00503},
  year   = {2024}
}
R2 v1 2026-06-28T14:34:22.647Z