Quadratic feedback linearization and normal forms for two-input discrete-time systems

@article{Monaco2005QuadraticFL,
  title={Quadratic feedback linearization and normal forms for two-input discrete-time systems},
  author={Salvatore Monaco and Doroth{\'e}e Normand-Cyrot},
  journal={Proceedings of the 2005, American Control Conference, 2005.},
  year={2005},
  pages={1319-1324 vol. 2}
}
Two quadratic normal forms and their invariants are introduced for 2-input discrete-time dynamics. The study is based on a differential/difference representation of those dynamics.