English

Operator inequalities via the triangle inequality

Functional Analysis 2022-04-19 v1

Abstract

This article improves the triangle inequality for complex numbers, using the Hermite-Hadamard inequality for convex functions. Then, applications of the obtained refinement are presented to include some operator inequalities. The operator applications include numerical radius inequalities and operator mean inequalities.

Keywords

Cite

@article{arxiv.2204.07622,
  title  = {Operator inequalities via the triangle inequality},
  author = {Shigeru Furuichi and Mohammad Sababheh and Hamid Reza Moradi},
  journal= {arXiv preprint arXiv:2204.07622},
  year   = {2022}
}
R2 v1 2026-06-24T10:49:32.195Z