2 papers
nlin.SI2025
General Zakharov-Shabat equations without Lax operators
Masatoshi Noumi, Takashi Takebe
The operators in the Zakharov-Shabat equations of integrable hierarchies are usually defined from the Lax operators. In this article it is shown that the Zakharov-Shabat equations…
nlin.SI2025
Multi-component Toda lattice hierarchy
T. Takebe, A. Zabrodin
We give a detailed account of the N -component Toda lattice hierarchy. This hierarchy is an extended version of the one introduced by Ueno and Takasaki. Our version contains N disc…