English

Investigating the Numerical Range of Non Square Matrices

Functional Analysis 2009-04-29 v1

Abstract

A presentation of numerical range for rectangular matrices is undertaken in this paper, introducing two different definitions and elaborating basic properties. Then we are extended to the treatment of rank-k numerical range.

Keywords

Cite

@article{arxiv.0904.4325,
  title  = {Investigating the Numerical Range of Non Square Matrices},
  author = {Aikaterini Aretaki and John Maroulas},
  journal= {arXiv preprint arXiv:0904.4325},
  year   = {2009}
}
R2 v1 2026-06-21T12:55:44.726Z