A Formula for Connected Bosonic \(n\)-Point Functions for the BKP Hierarchy
Mathematical Physics
2025-06-03 v1 math.MP
Abstract
We present a formula for the connected -point functions of a tau-funtion of the BKP hierarchy by embedding BKP hierarchy into KP hierarchy. This formula is different from the one given by Wang and Yang. We prove that these two formulae are equivalent.
Cite
@article{arxiv.2506.00451,
title = {A Formula for Connected Bosonic \(n\)-Point Functions for the BKP Hierarchy},
author = {Xuhui Zhang and Jian Zhou},
journal= {arXiv preprint arXiv:2506.00451},
year = {2025}
}