English

Procesi's Conjecture on the Formanek-Weingarten Function is False

Combinatorics 2022-10-07 v3 Mathematical Physics math.MP

Abstract

In this paper, we disprove a recent monotonicity conjecture of C. Procesi on the generating function for monotone walks on the symmetric group, an object which is equivalent to the Weingarten function of the unitary group.

Cite

@article{arxiv.2203.08714,
  title  = {Procesi's Conjecture on the Formanek-Weingarten Function is False},
  author = {Maciej Dołęga and Jonathan Novak},
  journal= {arXiv preprint arXiv:2203.08714},
  year   = {2022}
}

Comments

4 pages

R2 v1 2026-06-24T10:15:52.159Z