English

Addition formulae, B\"acklund transformations, periodic solutions and quadrilateral equations

Exactly Solvable and Integrable Systems 2018-01-08 v1

Abstract

Addition formulae of trigonometric and elliptic functions are used to generate B\"acklund transformations together with their connecting quadrilateral equations. As a result we obtain periodic solutions for a number of multidimensionally consistent affine linear and multiquadratic quadrilateral equations.

Keywords

Cite

@article{arxiv.1801.01321,
  title  = {Addition formulae, B\"acklund transformations, periodic solutions and quadrilateral equations},
  author = {Danda Zhang and Da-jun Zhang},
  journal= {arXiv preprint arXiv:1801.01321},
  year   = {2018}
}
R2 v1 2026-06-22T23:36:17.624Z