@misc{orthogonal-polynomials-quantum-walks-and-the-prouhettarryescott-problem,
  title = {{Orthogonal polynomials, quantum walks and the Prouhet–Tarry–Escott problem}},
  author = {F Cançado and G Coutinho and TJ Spier},
  year = {2025},
  eprint = {2509.09948},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.09948},
  note = {Preprint}
}