English

Noncommutative distances on graphs: An explicit approach via Birkhoff-James orthogonality

Operator Algebras 2024-09-09 v1 Combinatorics

Abstract

We study the problem of calculating noncommutative distances on graphs, using techniques from linear algebra, specifically, Birkhoff-James orthogonality. A complete characterization of the solutions is obtained in the case when the underlying graph is a path.

Keywords

Cite

@article{arxiv.2409.04146,
  title  = {Noncommutative distances on graphs: An explicit approach via Birkhoff-James orthogonality},
  author = {Pierre Clare and Chi-Kwong Li and Edward Poon and Eric Swartz},
  journal= {arXiv preprint arXiv:2409.04146},
  year   = {2024}
}

Comments

26 pages, 1 figure

R2 v1 2026-06-28T18:36:17.813Z