We study a superconducting integrable model of strongly correlated electrons in 1+1 dimensions. We construct all six Bethe Ans\"atze for the model and give explicit expressions for lowest conservation laws. We also prove a lowest weight theorem for the Bethe-Ansatz states.
@article{arxiv.cond-mat/9211001,
title = {Exact Solution of an Electronic Model of Superconductivity in 1+1 Dimensions},
author = {Fabian H. L. Essler and Vladimir E. Korepin and Kareljan Schoutens},
journal= {arXiv preprint arXiv:cond-mat/9211001},
year = {2015}
}