English

Graphical proof of Ginibre's inequality

Probability 2024-11-01 v3 Mathematical Physics math.MP

Abstract

In this short note, we will give a new combinatorial proof of Ginibre's inequality for XY models. Our proof is based on multigraph representations introduced by van Engelenburg-Lis (2023) and a new combinatorial bijection.

Cite

@article{arxiv.2406.08944,
  title  = {Graphical proof of Ginibre's inequality},
  author = {Yuki Tokushige},
  journal= {arXiv preprint arXiv:2406.08944},
  year   = {2024}
}

Comments

7 pages, 1 figure, comments are welcome. deleted the last section

R2 v1 2026-06-28T17:04:17.690Z