English

Unitary equivalence to a complex symmetric matrix: an algorithm

Functional Analysis 2009-08-18 v1

Abstract

We present a necessary and sufficient condition for a 3 by 3 matrix to be unitarily equivalent to a symmetric matrix with complex entries, and an algorithm whereby an arbitrary 3 by 3 matrix can be tested. This test generalizes to a necessary and sufficient condition that applies to almost every n by n matrix. The test is constructive in that it explicitly exhibits the unitary equivalence to a complex symmetric matrix.

Keywords

Cite

@article{arxiv.0908.2201,
  title  = {Unitary equivalence to a complex symmetric matrix: an algorithm},
  author = {James E. Tener},
  journal= {arXiv preprint arXiv:0908.2201},
  year   = {2009}
}

Comments

10 pages

R2 v1 2026-06-21T13:35:47.182Z