A square root of Hurwitz numbers
Algebraic Geometry
2019-06-24 v2 Symplectic Geometry
Abstract
We exhibit a generating function of spin Hurwitz numbers analogous to (disconnected) double Hurwitz numbers that is a tau function of the two-component BKP (2-BKP) hierarchy and is a square root of a tau function of the two-component KP (2-KP) hierarchy defined by related Hurwitz numbers.
Keywords
Cite
@article{arxiv.1807.03631,
title = {A square root of Hurwitz numbers},
author = {Junho Lee},
journal= {arXiv preprint arXiv:1807.03631},
year = {2019}
}
Comments
Some minor changes, following the referee's report. To appear in Manuscripta Math