English

Triangle-free quantum graphs

Operator Algebras 2025-09-23 v1 Combinatorics Rings and Algebras

Abstract

We introduce notions of being "triangle-free" and "strongly triangle-free" for operator systems in M_n(C) considered as quantum graphs. Several examples and non-examples are discussed. We provide a complete characterization of strongly triangle-free operator systems.

Cite

@article{arxiv.2509.17782,
  title  = {Triangle-free quantum graphs},
  author = {Nik Weaver},
  journal= {arXiv preprint arXiv:2509.17782},
  year   = {2025}
}

Comments

19 pages

R2 v1 2026-07-01T05:49:36.371Z