English

On Darboux integrable semi-discrete systems of exponential type

Exactly Solvable and Integrable Systems 2017-12-12 v1

Abstract

In the present paper we consider a discretization of hyperbolic systems of exponential type. We proved that, in the case of 2×22\times 2 systems, the resulting semi-discrete system is Darboux integrable only if it corresponds to a Cartan matrix of a semi-simple Lie algebra.

Keywords

Cite

@article{arxiv.1712.03788,
  title  = {On Darboux integrable semi-discrete systems of exponential type},
  author = {Kostyantyn Zheltukhin and Ergun Bilen},
  journal= {arXiv preprint arXiv:1712.03788},
  year   = {2017}
}

Comments

12 pages

R2 v1 2026-06-22T23:14:12.995Z