Hurwitz numbers from Feynman diagrams
Mathematical Physics
2020-10-28 v2 math.MP
Exactly Solvable and Integrable Systems
Abstract
We obtain Hurwitz numbers as the number of Feynman diagrams of a certain type divided by the order of the automorphism group of the diagram.
Cite
@article{arxiv.2006.07396,
title = {Hurwitz numbers from Feynman diagrams},
author = {Sergey M. Natanzon and Aleksandr Yu. Orlov},
journal= {arXiv preprint arXiv:2006.07396},
year = {2020}
}
Comments
a number of corrections