English

A matrix subadditivity inequality for symmetric norms

Functional Analysis 2009-06-09 v1 Operator Algebras

Abstract

Well-known subadditivity results for positive operators (of Brown-Kosaki and Rotfeld/Ando-Zhan types) are extended to Hermitian and normal ones. Applications to Cartesian decomposition and block-matrices are given.

Keywords

Cite

@article{arxiv.0906.1447,
  title  = {A matrix subadditivity inequality for symmetric norms},
  author = {jean-Christophe Bourin},
  journal= {arXiv preprint arXiv:0906.1447},
  year   = {2009}
}

Comments

to appear in PAMS

R2 v1 2026-06-21T13:10:46.725Z