@article{atutorialonbeyonddiagonalreconfigurable,
  title = {A Tutorial on Beyond-Diagonal Reconfigurable Intelligent Surfaces: Modeling, Architectures, System Design and Optimization, and Applications},
  author = {Hongyu Li and Matteo Nerini and Shanpu Shen and Bruno Clerckx},
  year = {2025},
  eprint = {2505.16504},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2505.16504v1},
}