@misc{rudolph2026periodiccirculantsignings,
  author = {Rudolph, Lennart},
  title = {{Periodic Signings of C\_n(1,2): An Exact Band Edge and Short-Period Classification}},
  year = {2026},
  month = {08},
  date = {2026-08-11},
  version = {1.0.0},
  doi = {10.5281/zenodo.21892995},
  url = {https://www.lennart.page/publications/periodic-circulant-signings/},
  note = {Preprint, version 1.0.0. Manuscript archived on Zenodo.}
}