Volterra格子的负流与非自治约化
可精确求解与可积系统
2024-02-28 v2 数学物理
math.MP
摘要
我们研究Volterra格子对应于附加非交换对称子代数的驻值方程的约化。结果表明,在一般位置情形下,此类约化等价于标度对称与负流之和的驻值方程,并被写为分量的Painlevé型差分方程,推广了dP与dP方程。对这些约化,我们给出等单值Lax对并导出构成格子的Bäcklund变换。
引用
@article{arxiv.2307.08127,
title = {Negative flows and non-autonomous reductions of the Volterra lattice},
author = {V. E. Adler},
journal= {arXiv preprint arXiv:2307.08127},
year = {2024}
}
备注
17 pages. This article is part of an OCNMP Special Issue in Memory of Professor Decio Levi