PreprintarXiv licencearXiv
Toda chain solves large BKP
Abstract
We prove that any solution of the Toda chain hierarchy (the 1D reduction of the 2D Toda lattice) is a solution of the large BKP hierarchy. This is a difference analogue of Alexandrov's result that KdV solves (small) BKP.
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BibTeX
@misc{zabrodin2026toda,
title = {{Toda chain solves large BKP}},
author = {Anton Zabrodin},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.28492},
eprint = {2610.28492},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.28492},
}
RIS
TY - UNPB
TI - Toda chain solves large BKP
AU - Anton Zabrodin
PY - 2026
DA - 2026/10/20
PB - arXiv
DO - 10.48550/arxiv.2610.28492
UR - https://arxiv.org/abs/2610.28492
AB - We prove that any solution of the Toda chain hierarchy (the 1D reduction of the 2D Toda lattice) is a solution of the large BKP hierarchy. This is a difference analogue of Alexandrov's result that KdV solves (small) BKP.
ER -